1. 氘氫的一種同位素，在其原子核內(nèi)有一個質(zhì)子和一個中子，其原子重量為2。014
   An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.
2. 費密子一種如電子、質(zhì)子或中子等自旋為半整數(shù)的基本粒子，具有一種使得不可能有多于一個的粒子占有任何一個特殊的量子力學態(tài)的量子力學對稱性
   A particle, such as an electron, a proton, or a neutron, having half-integral spin and obeying statistical rules requiring that not more than one in a set of identical particles may occupy a particular quantum state.
3. 核子質(zhì)子或中心，尤指作為原子核的一個組成部分
   A proton or a neutron, especially as part of an atomic nucleus.

質(zhì)的英語翻譯：

子的英語翻譯：