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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/ge/ge_user_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">GE 使用指南</h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<p class="- topic/p p" data-ofbid="d71839e33__20250123155204">Graphics Engine (GE)
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是用来进行
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2D 图形加速的硬件模块。主要包括格式转换、旋转、镜像、 缩放、Alpha 混合、Color Key、位块搬移、Dither 等功能。</p>
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<div class="table-container"><table class="- topic/table table frame-all" id="ge__table_jy5_xqz_c1c" data-ofbid="ge__table_jy5_xqz_c1c" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">术语定义</span></caption><colgroup><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/></colgroup><thead class="- topic/thead thead">
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<tr class="- topic/row">
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<th class="- topic/entry entry colsep-1 rowsep-1" id="ge__table_jy5_xqz_c1c__entry__1">术语</th>
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<th class="- topic/entry entry colsep-1 rowsep-1" id="ge__table_jy5_xqz_c1c__entry__2">定义</th>
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<th class="- topic/entry entry colsep-0 rowsep-1" id="ge__table_jy5_xqz_c1c__entry__3">注释说明</th>
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</tr>
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</thead><tbody class="- topic/tbody tbody">
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<tr class="- topic/row">
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="ge__table_jy5_xqz_c1c__entry__1">GE</td>
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="ge__table_jy5_xqz_c1c__entry__2">Graphics Engine</td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="ge__table_jy5_xqz_c1c__entry__3">2D 图形加速引擎</td>
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</tr>
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<tr class="- topic/row">
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="ge__table_jy5_xqz_c1c__entry__1">blit</td>
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="ge__table_jy5_xqz_c1c__entry__2">bit block transfer</td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="ge__table_jy5_xqz_c1c__entry__3">位块搬移</td>
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</tr>
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<tr class="- topic/row">
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="ge__table_jy5_xqz_c1c__entry__1">MPP</td>
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="ge__table_jy5_xqz_c1c__entry__2">Media Process Platform</td>
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge__table_jy5_xqz_c1c__entry__3">多媒体处理平台</td>
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</tr>
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</tbody></table></div>
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<div class="- topic/p p" data-ofbid="d71839e105__20250123155204">GE V1.0 版本支持功能：<ul class="- topic/ul ul" id="ge__ul_d4g_dpg_ybc" data-ofbid="ge__ul_d4g_dpg_ybc">
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<li class="- topic/li li" data-ofbid="d71839e113__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e115__20250123155204">最大输入/输出图像大小 4096x4096</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e119__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e121__20250123155204">支持命令队列</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e125__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e127__20250123155204">支持输入输出格式：ARGB8888/
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XRGB8888/
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RGB888/
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ARGB4444/
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ARGB1555/
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RGB565</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e131__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e133__20250123155204">支持水平和垂直 Flip</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e138__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e140__20250123155204">支持 90/
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180/
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270 度旋转</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e144__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e146__20250123155204">支持任意角度旋转</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e150__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e152__20250123155204">支持 scan order</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e156__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e158__20250123155204">支持 1/16x ~ 16x 缩放，采用 bilinear 滤波算法</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e162__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e164__20250123155204">支持
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Porter-Duff
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规则的 Alpha 混合</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e168__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e170__20250123155204">支持 Color Key</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e175__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e177__20250123155204">支持矩形填充</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e181__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e183__20250123155204">位块搬移
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(bit block transfer)</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e187__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e189__20250123155204">支持误差扩散 Dither</p>
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</li>
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</ul></div>
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<div class="- topic/p p" data-ofbid="d71839e198__20250123155204">GE V1.1 版本支持功能：<ul class="- topic/ul ul" id="ge__ul_ndt_dpg_ybc" data-ofbid="ge__ul_ndt_dpg_ybc">
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<li class="- topic/li li" data-ofbid="d71839e206__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e208__20250123155204">最大输入/
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输出图像大小 4096x4096</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e212__20250123155204">
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<div class="- topic/p p" data-ofbid="d71839e214__20250123155204">支持 RGB 转 YUV，支持 YUV 转 RGB<ul class="- topic/ul ul" id="ge__ul_ehl_xpd_lzb" data-ofbid="ge__ul_ehl_xpd_lzb">
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<li class="- topic/li li" data-ofbid="d71839e218__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e220__20250123155204">RGB 格式包括：ARGB8888/
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XRGB8888/
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RGB888/
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ARGB4444/
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ARGB1555/
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RGB565</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e224__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e226__20250123155204">YUV 格式包括：YUV420P/
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NV12/
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NV21/
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YUV422P/
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NV16/
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NV61/
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YUYV/
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YVYU/
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UYVY/
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VYUYYUV400/
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YUV444</p>
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</li>
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</ul></div>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e232__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e234__20250123155204">支持水平和垂直 Flip</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e238__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e240__20250123155204">所有格式支持 90/
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180/
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270 度旋转</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e245__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e247__20250123155204">RGB 格式支持任意角度旋转</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e251__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e253__20250123155204">RGB 格式支持 scan order</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e257__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e259__20250123155204">支持 1/16x ~ 16x 缩放，采用 6x4 taps 16 phases 滤波算法</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e263__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e265__20250123155204">支持
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Porter-Duff
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规则的 Alpha 混合</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e269__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e271__20250123155204">支持 Color Key</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e275__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e277__20250123155204">支持矩形填充</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e282__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e284__20250123155204">位块搬移(bit block transfer)</p>
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</li>
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<li class="- topic/li li" data-ofbid="d71839e288__20250123155204">
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<p class="- topic/p p" data-ofbid="d71839e290__20250123155204">支持误差扩散 Dither</p>
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</li>
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</ul></div>
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<section class="- topic/section section" id="ge__section_ebs_rmb_bzb" data-ofbid="ge__section_ebs_rmb_bzb"><h2 class="- topic/title title sectiontitle">原理框图</h2>
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<div class="- topic/p p" data-ofbid="d71839e304__20250123155204">
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<figure class="- topic/fig fig fignone" id="ge__fig_pjm_4zk_ndc" data-ofbid="ge__fig_pjm_4zk_ndc">
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<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ge__image_www_yhd_sbc" src="../../../images/ge/ge_overview_blockV0.png"/></div><br/>
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<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">GE V1.0</span></figcaption></figure>
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<figure class="- topic/fig fig fignone" id="ge__fig_rgj_pzk_ndc" data-ofbid="ge__fig_rgj_pzk_ndc">
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<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ge__image_mrp_rqg_ybc" src="../../../images/ge/ge_overview_blockV0.png"/></div><br/>
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<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 2</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">GE V1.1</span></figcaption></figure></div>
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</section>
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</div>
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<div class=" wh_child_links d-print-none "><nav aria-label="Child Links" role="navigation" class="- topic/related-links related-links"><ul class="ullinks"><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/ge/ge_config.html">GE 配置</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/ge/ge_debug.html">调试指南</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/ge/ge_test.html">测试指南</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/ge/ge_design.html">设计说明</a></strong></li></ul></nav></div>
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