读者或许已经注意到, 在西德已经建造了一些人行桥.As the reader might suspect, a number of pedestrian bridges have been built in Germany.请你使用那边的人行桥. 它很安全.Please use the footbridge over there. It's safe.人行桥在水灾中冲走了.The footbridge washed away ...
高次项是由外线性和轴间耦合灵敏度所产生的.The higher - order terms arise from nonlinearities and cross - axis sensitivity.一线性空间的每一基底包含同样数目的向量.Every basis of a linear space contains the same number of vectors.最高阶导数线性地出现的那种方程是准线性方程.A quasiline...