爱国主义是政客们的惯用伎俩。Patriotism is every politician's stock-in-trade.多么肮脏、卑劣的伎俩！What a dirty, low-down trick!如果你告诉这些人实情，他们是不会选你的。但是如果你耍点儿伎俩，他们会不止一次推举你。If you tell those folks the truth, they won't vote for you. But if...
These things belong in a different classification.这些东西属于不同的类别.The physical world was and still is indifferent to the mathematicians'classification.物理界过去和现在都是从不关心数学家们的分类的.This classification is the analogy of our pre...
本文就风机性能测定中常用的三种测风方法加以阐述和评价.This article introduces three Methods : To measure ventilator in the measurement of performance.本章最后简单介绍了信号模拟,从而可以估计测风激光雷达的性能.Simulation of the the lidar signal to evaluate the performance of D...