Sims USES radioactive clocks to decipher volcanic processes, measuring and comparing two isotopes of radon.

西姆斯使用放射性计时器测定并比较氡的两种同位素，以此来解密火山的活跃程度。

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A hot torsion test was used in this study for measuring and comparing the hot plasticity curve of as-cast and hot rolled HSS.

本研究采用热扭转法测定和比较了铸态与轧态高速钢的热塑性特征曲线。

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A time keeping system consists of atomic clock assembly, measuring and comparing system and computation of atomic time scale, etc.

守时系统是一种需要连续、可靠运转的复杂系统，包括守时钟组、比对测量系统、原子时归算等多个环节。

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Composed of more than 290 hospitals across 38 states, QUEST is the most comprehensive hospital collaborative in the nation focused on measuring, comparing and scaling innovative solutions for patient care.

FORBES: Health Analytics Save Lives And Reduce Costs

And so by comparing material-size to people-size, are we measuring primary material consumption on the right scale?

BBC: Go Figure: Why does every person need 200kg of steel a year?