atom n. 1.原子。 2.微粒;微量。 chemical atoms 原子。 physical atoms 分子。 have [there is] not an atom of 一点也没有。 break to atoms 粉碎 (The vase was broken to atoms. 花瓶敲得粉碎)。
Atomic physics ( or atom physics ) is physics of the electron hull of atoms 原子物理学是原子中电子云的物理学。
Hhg is very important in atom physics . two aspects manifest the importance of studying hhg . on the one hand it can accelerate the development of non - perturbation theory ; on the other hand , the emission of hhg may supply a kind of coherent - light of short wavelengh and even be applied to the field of biology 高次谐波在强场原子物理中占用很重要的位置,对它的研究不仅系统地促进了非微扰理论的建立和发展;而且高次谐波发射将极可能为人们提供设备简单,费用节省的全相干短波长光源。