记录仪动态准确度的测量最好通过记录试验过程中的误差信号大小来实现。

Recorder in the process of dynamic measurement accuracy by record test best size of the error signal.

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所以，用户要从万能拉力试验机生产厂获得用以计算概率测量误差和评估该误差是否显著的记录仪动态准确度图。

So, the user should obtained from testing machine manufacturer to calculate probability measurement error and evaluate whether the error significantly recorder dynamic accuracy.

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官方民用时间是由NIST - F 1铯原子钟记录，其准确度在每1亿年一秒的范围内。

Official civilian time is kept by the cesium NIST-F1 fountain clock, accurate to within one second every 100 million years.

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