on the basis of predecessors ′ work , the advanced a new method for calculating acentric factors of saturated hydrocarbon according to the molecular structure .本文在前人工作的基礎(chǔ)上,提出一種根據(jù)分子結(jié)構(gòu)預(yù)測飽和烴偏心因子的新方法。
+his predecessor
1 . 他的前任
few words called his predecessor a failure by his talk ., 幾句話呼吁他的前任未能講話.