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Question
求解三元一次方程时，得出的解是一个代数式而不是数。
deltax=200; deltay=-300; deltaz=50; taoxy=500; taoyz=0; taozx=300;%x,y,z方向的正应力和切应力 I1=deltax+deltay+deltaz; I2=deltax*del...
3 years ago | 1 answer | 0
