I just think that the operations of most world affairs are beyond our intervention and the change of objective conditions are out of our control.
我以为客观条件的变化都不是人为的力量所可以控制的；
Micro electromechanical system (MEMS) is a kind of high technology with which people understand and change the objective world from microscopic view.
微机电系统已成为人们从微观角度认识和改造客观世界的一种高新技术。
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