Fourier transform lens is key operating element in optical information processing system.

在光学信息系统中，傅立叶变换透镜是关键的运算部件。

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If we build an engine for a car or anything else, it almost always is going to have some key element that's operating in a cycle, otherwise it won't keep going, right.

如果我们为一辆汽车，或其他什么东西制造一台引擎,它总要有一些关键，要素来形成循环。

麻省理工公开课 - 热力学与动力学课程节选

In low external temperatures, the battery is quickly brought up to operating temperature with the aid of an electric heating element.

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The much more difficult element is how you police illegal syndicates probably operating a long way away from these shores.

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This modeled application of an STT-MRAM integrating the memory as cache memory and recorded a two-thirds reduction in power consumption by a standard mobile chip set carrying out standard operating functions, a result confirming that the new MRAM element has the lowest power consumption yet achieved.

ENGADGET: Toshiba goes perpendicular to solve MRAM's power issues, rethink cache memory