这种相遇时间的变化，还可以让开普勒小组测定出行星的质量，这是开普勒望远镜无法测量的。
The transit timing variations also let the Kepler team determine the planets' masses, a measurement that Kepler can't usually make.
热处理炉的温度测定，是保证工件质量的重要手段，而在温度测量中，普遍存在着换热误差。
To determine the temperature of heat treatment furnace is an important means to guarantee the workpiece quality, but heat exchange errors often occur in the temperature measurement.
目的对含氯消毒剂中有效氯含量测量不确定度进行系统研究，为有效氯含量测定的质量控制提供依据。
Objective Systematic uncertainty study of valid chlorine measurement in chlorine disinfectant were made so as to improve quality control of valid chlorine measurement.
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