文件能力特性当前是在- mm内核树中实现的，有望在2.6.24版中被包含在主线内核中。

File capabilities are currently implemented in the -mm kernel tree, and are expected in the mainline kernel by 2.6.24.

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在介绍当前体数据的数据模型与绘制方法的基础上，使用混合八叉树进行体数据的描述，实现了对其自适应分块存储。

Based on the introduction of common data models and rendering algorithms for volume data, this paper proposes a hybrid octree encoding to describe it.

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