Notice that in System V semaphores, key is used to uniquely identify the semaphore; in Windows, the semaphore is identified by a name.

注意，在System v信号量中，key被用来惟一标识信号量；在Windows中，信号量是使用一个名称来标识的。

youdao

Times executives and employees are well accustomed to V. I. P. visits, but they are usually given days - if not weeks - of advance notice.

时报的高管和员工都习惯了贵宾的来访，但通常会提前数天接到通知，有时候是提前数周。

youdao

V. I notice that there is a five-year gap between your last job and now.

我发现从你的前一份工作到现在，有五年是空白。

youdao

take the derivative of this, get the velocity vector and you notice his magnitude is a constant Whichever way you do it, you can then rewrite this as v square over r.

对这个式子求一次导,就能得到速度矢量,你会发现其模长是常数,不管用什么方法,加速度也可以写成 v^2 / r

耶鲁公开课 - 基础物理课程节选

The first thing you notice when you turn over the S4's V-8 is the exhaust noise.

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