进程所请求的内存页在实际使用时才会分配。
Memory pages requested by a process are not allocated until they are actually used.
在实际使用中,望远镜有上限和下限放大率。
There are practical upper and lower limits of power for telescopes.
因为用户熟悉这个系统,尽管该系统在实际使用时非常复杂。
The users are familiar with the system regardless of how convoluted it actually is.
And these are using the technology to augment the real experiments with virtual atoms that show these things are really there but you can't normally see.
他们在使用这些技术,来积累实际经验,通过模拟原子,使这些东西实际存在,但一般不可见。
Let me show you how we can use this pattern in real life.
下面我就来告诉大家如何在实际生活中使用这个句型。
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