提供了一种光学控制的微流体芯片，用以控制向神经元位点的流体输送。

An optically controlled microfluidic chip is provided for administering a fluid to a neuronal site.

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北京一家知名医院的一位心血管专家说，他不得不靠收取手术费用来弥补他每月1500元（220美元）工资的不足。

A cardiovascular specialist at a leading Beijing hospital said that he was obliged to charge fees for procedures to augment his 1500 Yuan per month salary (US$ 220).

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这种编码概念被称为UCS - 4；四个八位元用来表示指定组、平面、行和单元的每个字符。

This coding concept is called UCS-4; four octets of bits are used to represent each character specifying the group, plane, row and cell.

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When you vary time a little bit and ask, "How does R change?"

当你把时间改变一个微元,然后问,"位矢 R 会怎样变化"

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