常見例句雙語例句Of course, the mass ratio comes into it.,當然,質量比率包含在其中。He measured the charge to mass ratio of the electron.他測量了電子的荷質比。The big question has been whether one grows before the other or if they grow together, maintaining their mass ratio throughout the entire process.一大問題是,是否一類天體在另一類天體之前形成,或是他們一起形成,在整個過程中兩種天體都保持著這一質量比率。原聲例句He measured the charge to mass ratio of the electron.他測量了電子的荷質比。麻省理工公開課 - 固態(tài)化學導論課程節(jié)選But the acceleration it produces on the elephant and on the mass, are in an inverse ratio of their masses.但這個力使大象和物體產生的加速度,與它們的質量成反比耶魯公開課 - 基礎物理課程節(jié)選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.這就解釋了為什么我們不擔心,原子核運動起來,因為原子核和電子的質量比約為2000:麻省理工公開課 - 固態(tài)化學導論課程節(jié)選權威例句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.ECONOMIST: The Romans, too, had sophisticated cosmeticsBut accurately working out Mathilde's volume (necessary because density is the ratio of mass to volume) was harder.ECONOMIST: AsteroidsAlthough 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.FORBES: The Fat Lady's Soda Song: Sugary Beverages Cause Obesity 返回 mass ratio