因为这时流动可成为音速流动,所以这些小孔本身有一种节制作用或稳定化作用.The holes themselves have a restricting or stabilizing effect because flow may become sonic.本书的主要内容是介绍聚合物稳定化的基本方法.The primary purpose of this book is to present a fundamental approach ...
Anne is a Lancashire lass from Longton, near Preston...安妮是兰开夏郡姑娘，老家在普雷斯顿附近的朗顿。Accordingto Preston equation, mathematics model of MIRE is established in this thesis.在研究磁流变抛光机理的基础上,根据光学加工中为人们所普遍接受的Preston方程, 建立了磁流变抛光的数学模型....
Do you believe in a cosmic plan?你相信冥冥中的安排吗？His "cosmic vision" is to blend Christianity with "the wisdom of all world religions".他的“远大设想”就是将基督教和“全世界所有宗教的智慧”融为一体。They also contain a lot of cosmic crud, mostly in the form ...