You can also use string functions to report string attributes such as length or position of a sub-string, for example

还可以使用 string 函数来报告字符串属性，如子串的长度或位置，例如

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The TreeItem widget will also be used to help create sub-trees and position pop-up windows.

TreeItem 部件用于帮助创建子树和确定弹出窗口的位置。

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Next is software design of the system, including overall system flow chart, throttle position detection map and the step motor commutation and the point of sub-flow chart.

系统的设计除了硬件还需要软件来支撑，软件设计包括系统整体流程图、油门位置检测图和步进电机换相及角度细分流程图。

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He held a sub-ministerial position in charge of resettlement.

CENTERFORSECURITYPOLICY: Center for Security Policy | Lifting Embargo Under Present Circumstances Will Produce New Vietnam Quagmire For Clinton

W. Bush to a sub-cabinet level position.

CNN: CNN Profiles - Michael Smerconish - Host

"The move to a purpose-built factory will reinforce our position as a leading UK sub-contractor in precision machined plastic parts, " said Ensinger's managing director, John Speirs.

BBC: NEWS | UK | Wales | South East Wales | Jobs boost for plastics firm