例句與造句

1. In the course of these derivation , the orbital integrations and the summations over spin are completed and are presented 3j , 6j , 9j symbols and the radial matrix elements . these derivations are strict and no approximate are introduced . the derivations for the orbit - orbit interaction , the spin - spin interaction and spin - other - orbit interaction , which are fairly complicated , have not been given in the previous literatures
   這部分推導(dǎo)工作是嚴(yán)格的，沒有引進(jìn)任何近似，其中軌道-軌道相互作用、自旋-自旋相互作用和自旋-其它軌道相互作用能的理論計(jì)算式的推導(dǎo)過程比較復(fù)雜，在以前的文獻(xiàn)中沒有給出這些相互作用能的具體推導(dǎo)過程。
2. In a word , a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two - electron atom , including the atomic hamiltonian expressed by spherical tensors , the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic hamiltonian , and the approximate calculation of the radial matrix elements , has been provided in this thesis
   總之，本文為雙電子原子能級的相對論修正和精細(xì)結(jié)構(gòu)的理論計(jì)算提供了一種新的方法，包括原子哈密頓算符的球張量表示方法、原子哈密頓中各種相互作用項(xiàng)的角向矩陣元和自旋求和的計(jì)算方法，以及徑向矩陣元的近似計(jì)算方法
3. It's difficult to find over spin in a sentence. 用over spin造句挺難的