检测内容:①重心动摇轨迹长度(LNG);②重心动摇轨迹包络面积(Env Area);③重心动摇矩形面积(Rec Area);④动摇径(DX,DY):X轴,Y轴方向最大动摇摆动幅度。上述评测均在同一天完成,顺序不定,有休息间隔。
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所谓最小矩形指该矩形面积最小。
By smallest rectangle, we mean the one with the smallest area.
计算矩形面积;
就能得到这个小段对应的小矩形的面积,然后将所有的这些小矩形面积求和。
That gives you a rectangular slice, and then you sum all of these rectangular slices together.
That's the work that the system is doing to the environment. I'm doing work to the environment. The work is negative, which means that work is being done to the environment.
功的大小,就是矩形的面积,这样我们就实现了一台热机,冷却,加热,加热,冷却,系统回到了初态。
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