星敏感器是天文导航系统的主要设备，是一种高精度、高可靠性的姿态测量部件。

Star sensor is a high-precision, high reliability attitude measurement equipment of astronomical navigation system.

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原机箱中阀门定位器气动输出段和大型耐辐射位置测量部件，将按照通常气动执行机构进行安装。

Original chassis pneumatic valve positioner output section and the position measurement of large radiation-resistant components, usually pneumatic actuator in accordance with the installation.

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当他们被装运和回收的时候，承制厂商和购买者都必需测量部件的关键属性(尺寸等)，然后比较他们的结果。

As these parts are shipped and received, both the supplier and the buyer must measure the key properties of the part (dimensions,...) and then compare their results.

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Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选