source strength measurement
... sound source strength 声源强度 gamma ray source strength 射线源强度 source strength measurement 源强度测定 ...
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用热表面离子源测定了锂同位素丰度，在样品全耗尽过程中累计离子流强度。
The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament.
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它可以对大视场内的天空源测定位置、大小和强度。
It can measure the locations, dimensions and intensities of the sources.
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