For component based operating system, the key constructing techniques constrictively express themselves on the design and implementation of the kernel.

构件化操作系统设计的关键技术集中反映在其内核的设计与实现中。

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This paper compares several kernel construct techniques and kernel extension technologies, proposes a kernel model based on exokernel extension; the key techniques are introduced in detail.

文章通过对各种内核构建技术和扩展技术的分析比较，提出一种基于外内核扩展的模型。

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