Four, and then the (AC) region of the L, N access to the 220V power supply (2.5 of copper core wires), such as the installation position is low, the best grounding wire.

再将变压转换器的（AC）区域的L、N接入220V电源（2.5的铜芯电线），如安装位置较低，最好接上地线。

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By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.

探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料，在乙酸水溶液- 乙醇- 吡啶介质中实现壳聚糖N位乙酰化反应的问题；

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Recall that returning a single character at an arbitrary position within a rope is an o (log n) operation.

返回rope内任意位置字符的操作是个o (log n)操作。

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He said lawmakers needed to voice a position before Wednesday's U.N.General Assembly consideration of a resolution supported by Arab countries on the Goldstone report.

VOA: standard.2009.11.04

So when we talk about a wave function squared, n l m he wave function, any one that we specify between n, l and m, at any position that we specify based on r, theta, and phi.

一个波函数,的平方时，对特定,特定位置r，theta，phi波函数，取平方,如果我们取平方。

麻省理工公开课 - 化学原理课程节选

Iran's President Mohammad Khatami has contacted the leaders of Egypt, Saudi Arabia and Syria to drum up support for his position that the U.N. should lead any worldwide fight against terrorism.

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French President Francois Hollande reiterated his position calling for the U.N.

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