Along with the input string, the SUBSTRING function has three other arguments, which are start position, length, and code unit specification.

除了输入字符串之外，SUBSTRING函数还有其他三个参数，它们分别是：起始位置、长度和代码单元指定。

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Windows and insulation came next, and then prefabricated bathrooms and kitchen modules were installed. Finally the unit was lifted by crane into position on the building.

下一步是生产窗和隔热层，之后是安装预制浴室和厨房模块，最后这个单元被起重机吊起来放置在这座建筑的相应位置上。

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The camera's position and viewing Angle will later define the amount of pixels a unit will occupy on the screen.

随后，摄像机的位置和视角可定义一个单位在屏幕上所占的像素数。

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It is waterproof, soundproof (so as not to give a unit's position away) and will operate over military radios as well.

ECONOMIST: Emergency medicine

All of which meant, after Labour lost the election, Mr Miliband, the former head of Tony Blair's policy unit, was in prime position to replace Mr Brown as party leader.

BBC: Miliband joins list of political 'nearly men'

In 2008 he tapped Jerry Shen, then an Asus business unit head, for the CEO position.

FORBES: Magazine Article