利用激光散斑空间频率的频分多路传输技术，能够在一张散斑图上记录物体多次变形的全场位移信息。
A method using the frequency divtion multiplexing technique of the laser speckle's spatial frequency to record multiple displacement information on a single specklegram is presented.
对汽轮发电机在多次起停带负荷运行条件下，转子绕组的应力和变形进行了分析和计算；
And a detail description of computing and analyzing turbo-generator rotor winding stress and distortion in operation after many starts and stops is presented.
结果指出：模具钢渗硼层在多次冲击压缩载荷下发生一定的塑性变形。
The boron-doping technology and metallurgical micro-structure of die steel are discussed from the angle of its resistance to repeated shock compression.
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