From Operating System theory, OS implements a page table entry, PTE, to describe a mapping of a page in VAS to physical page.

来自操作系统的理论，操作系统引入一个页表项，PTE，描述了一个在VAS中的页到物理页的映射。

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Combining visualization technology and operating system education will contribute to the comprehension of operating system theory for students and researchers undoubtedly.

将可视化技术引入操作系统教研领域，无疑是有助于学生和科研工作者对操作系统有更深入了解。

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The integrated system combined radiant floor with ground-source heat pump is discussed. The basic theory, various operating and controlling models of the system are described.

提出了地源热泵—辐射地板联合系统的概念，阐述了该系统基本原理以及运行和控制模式。

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This makes it possible, at least in theory, for software developers to write their programs only once and run them on any kind of operating system Macintosh, Unix or Windows.

ECONOMIST: Sun and Microsoft