Therefore, any attempt to achieve a high degree of accuracy for pipe sizes is futile, especially as pipes are manufactured only to certain standard sizes.

因此，任何想为排水管尺寸做高精确度估计的努力都是徒劳的，特别是因为管道生产的尺寸都是有一定标准的。

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The developed system USES weighing method for flow calibration, using electronic scale with high accuracy as the standard gauges to determine the actual flow of the different test points.

本系统对流量标定采用称量法，用高精度的电子秤作为标准量器来确定不同测试点的实际流量。

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A construction layout about flexible, convent, new type, multi parameter, high accuracy, large volume data acquisition system for the Rubidium atomic frequency standard test is put forward.

提出了一种用于铷原子频标实验的灵活、方便的新型多参数、高准确度、大容量数据采集系统的构成方案。

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Then there is slovenly reporting , which happens because the standard of accuracy on the Internet is low, and the speed of dissemination is high.

ECONOMIST: Gossip on the web