mass ratio

常见例句

Of course, the mass ratio comes into it.
,当然，质量比率包含在其中。
He measured the charge to mass ratio of the electron.
他测量了电子的荷质比。
The big question has been whether one grows before the other or if they grow together, maintaining their mass ratio throughout the entire process.
一大问题是，是否一类天体在另一类天体之前形成，或是他们一起形成，在整个过程中两种天体都保持着这一质量比率。

He measured the charge to mass ratio of the electron.
他测量了电子的荷质比。
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But the acceleration it produces on the elephant and on the mass, are in an inverse ratio of their masses.
但这个力使大象和物体产生的加速度,与它们的质量成反比
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That is why we don't worry about the motion of the nucleus 1 because the ratio of mass is about 2,000 to one.
这就解释了为什么我们不担心,原子核运动起来,因为原子核和电子的质量比约为2000：
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The most likely alternatives, butter and pig fat, were ruled out using a technique called isotope-ratio mass spectrometry, which measures the molecular weights of the chemicals in a sample.
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But accurately working out Mathilde's volume (necessary because density is the ratio of mass to volume) was harder.
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Although the trial has several limitations, children in the low sugar group scored significantly lower across multiple measures of obesity, including BMI, weight, skinfold-thickness measurements, waist-to-height ratio, and fat mass.
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