Position control of d. c. motors has been done by means of pulse width modulation .

直流电机位置用脉冲宽度调制法控制。

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Senator John C. Calhoun of South Carolina said the committee should write a declaration explaining the position of the South.

南卡罗莱纳州的参议员约翰。C .卡尔豪说，这个委员会应该起草一份声明，来表明南方的立场。

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If you know the exact position at which the first character of the file owner begins, you can use -c option to display the first character of the file owner.

如果您知道文件属主信息开始的第一个字符的确切位置，可以使用- c选项来显示文件属主的第一个字符。

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Senator John C.Calhoun of South Carolina said the committee should write a declaration explaining the position of the South.

VOA: special.2009.03.12

C.R.U.director Phil Jones has temporarily left his position until the investigations are completed.

VOA: special.2010.04.27

The head of the C.R.U.,Phil Jones, temporarily left his position.

VOA: special.2010.01.19

"We got the right personnel for each key position, " C.

WSJ: Syracuse on to Final Four, beats Marquette 55-39

That would be the small-c conservative position.

FORBES: People Should Listen to Computer Programmers about Software Patents

But when surveyed, only 1 in 5 women wanted to advance to a C-suite position.

FORBES: Rethink Everything to Retain Top Women