常見例句雙語例句That is why this says atomic number, but for most intents and purposes we can say this could be atomic mass.那就是為什么這里說原子序數(shù)，但如果沒有意圖和目的，我們就說是原子質量。"Radioisotopes" refer to a certain type of elements producing radiation decay that have the same atomic number but different mass of nuclides.放射性同位素，是指某種發(fā)生放射性衰變的元素中具有相同原子序數(shù)但質量不同的核素。原聲例句That is why this says atomic number, but for most intents and purposes we can say this could be atomic mass.那就是為什么這里說原子序數(shù)，但如果沒有意圖和目的,我們就說是原子質量。麻省理工公開課 - 固態(tài)化學導論課程節(jié)選 返回 atomic mass number