例句與造句

1. In connection with the researches carried out in our laboratory , the description is concentrated on the high accurate four - component relativistic density functional methods with relativistic effects taken into account strictly , and the two - component or scalar relativistic density functional methods with relativistic effects considered approximately , involving the zero - order regular approximation ( zora ) method and its improved variants , the singularity excluded approximate expansion ( seax ) method , and the jointed two component - scalar relativistic ( or non - relativistic ) approach applicable to the calculations of large systems locally containing heavy elements
   結(jié)合本實(shí)驗(yàn)室的研究工作，重點(diǎn)介紹嚴(yán)格處理相對論效應(yīng)的四分量相對論密度泛函計(jì)算方法和近似處理相對論效應(yīng)的兩分量和標(biāo)量相對論密度泛函計(jì)算方法，包括零級(jí)規(guī)則展開近似( zora )方法及其改進(jìn)和排除奇點(diǎn)的近似展開( seax )方法，以及適合處理局部包含重元素大體系的接合兩分量標(biāo)量相對論（或非相對論）計(jì)算方法。
2. It's difficult to find approximate expansion in a sentence. 用approximate expansion造句挺難的