spark forming造句

例句与造句

1. on the basis of a lot of experimental data based on the orthogonal test of pulse peak electric current, pulse width and pulse intermission, experimental mathematical models of electric spark forming of several sorts of materials are built up with multiple linear regression analysis
   摘要用正交试验法对电火花加工中的峰值电流、脉冲宽度、脉冲间隔进行设计，在大量实验数据的基础上，采用最小二乘法建立实用的多种材料的电火花加工实验数学模型。
2. It's difficult to find spark forming in a sentence. 用spark forming造句挺难的