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  <!-- 背景和标题 -->
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  <text x="400" y="50" font-family="Arial" font-size="16" text-anchor="middle">Heterogeneous Collaborative Acceleration Runtime</text>
  
  <!-- 外部接口层 -->
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  <!-- 核心引擎 -->
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  <!-- 中间层组件 -->
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  <text x="610" y="315" font-family="Arial" font-size="12" text-anchor="middle" fill="#666">系统资源监控</text>
  
  <!-- 任务执行层 -->
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  <text x="400" y="415" font-family="Arial" font-size="12" text-anchor="middle" fill="#666">请求处理与转发</text>
  
  <!-- 底层服务 -->
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  <!-- 配置 -->
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  <text x="400" y="495" font-family="Arial" font-size="16" text-anchor="middle" fill="#1890ff">配置管理</text>
  <text x="400" y="515" font-family="Arial" font-size="12" text-anchor="middle" fill="#666">config.yaml</text>
  
  <!-- 连接线条 -->
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  <!-- 图例 -->
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  <text x="675" y="32" font-family="Arial" font-size="12" fill="#666" text-anchor="start">: 接口/配置层</text>
  
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  <text x="675" y="57" font-family="Arial" font-size="12" fill="#666" text-anchor="start">: 核心层</text>
  
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  <text x="675" y="82" font-family="Arial" font-size="12" fill="#666" text-anchor="start">: 中间组件层</text>
  
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  <text x="675" y="132" font-family="Arial" font-size="12" fill="#666" text-anchor="start">: 服务层</text>
  
  <!-- 特性说明 -->
  <text x="400" y="550" font-family="Arial" font-size="14" font-weight="bold" text-anchor="middle" fill="#333">核心特性</text>
  <text x="400" y="570" font-family="Arial" font-size="12" text-anchor="middle" fill="#666">自动PD解耦 | 智能负载均衡 | 实时监控 | 性能优化</text>
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