broken line analysis 动特性曲线
The dietary protein requirement for jade perch, to get optimal growth was 39.71%, based on broken-line model analysis of the weight increase.
增重率的折线分析表明，宝石鲈幼鱼对饲料蛋白的最适需要量是39.71%。
Working state of a screw pump rod-line is analyzed using Finite element analysis method during broken working station, and three kinds of possible mechanical models are set up.
如何降低螺杆泵抽油杆的应力水平，提高工作寿命是石油开采设备研究中一个急需解决的力学问题。
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