It is important, but now it is difficult to measure pump flow accurately in the clinical application.

临床应用中，对人工心脏的输出流量进行及时、精确的检测十分必要，但实现起来却比较困难。

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The first made-to-measure Tupli shoe that Ms. Peart designed for herself was a black and red pump for an event at work.

皮尔特女士为自己设计的第一双鞋是工作活动时穿的黑红相间的无带平跟女鞋。

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Use of helical gear in gear pump is an effective measure, which can reduce the mechanical voice and flow pulse.

齿轮油泵采用斜齿轮是降低机械噪声和减小流量脉动的一种有效措施。

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This is already beginning to happen in parts of both India and China, where farmers are learning how to measure the water they pump, how to use it to greatest effect and thus how to sustain aquifer levels.

ECONOMIST: Water