例句與造句

1. 4 by studying mechanical optimization method , combining theory of metal cutting processing , summarize the optimization function by the cutting parameter as optimization aim and corresponding restraint condition . adopt one of optimization methods - compound shape method - to calculate cutting parameter ' s optimization result
   4運用機械最優(yōu)化方法，結(jié)合金屬切削加工理論，推導(dǎo)了以切削參數(shù)為優(yōu)四川大學(xué)碩i學(xué)位論文化目標(biāo)的優(yōu)化目標(biāo)函數(shù)并確定了相應(yīng)優(yōu)化約束條件，采用優(yōu)化方法中的復(fù)合形法實現(xiàn)了切削參數(shù)的最優(yōu)化設(shè)計。
2. It's difficult to find theory of metal cutting in a sentence. 用theory of metal cutting造句挺難的