这个基本概念在大多数水力学教科书中已有介绍.This basic concept is illustrated in most texts on hyd aulics.根据水力学原理设计的泵体,噪声最小.According to the design of water pump body mechanics the smallest noise.因而,本论文在河道汇流上采用水文学与水力学相结合的方法.Accordingly the co...
As a musician, you cannot be apolitical.作为一个音乐人，你不能不关心政治。...the normally apolitical European Commission...通常不支持任何政党的欧盟委员会Henry used to be totally apolitical, but I think he is now politically more aware.基辛格过去完全不问政治, 但是,我...