基本变形 meaning in English

b - basic mutation
basic deformation

Solution on the elastic - plastic problem for simple transformation based on artificial neural network
基本变形弹塑性问题的人工神经网络解法探讨
On the basis that characteristics of every forming methods have been summarized and concluded , according to the moving relationship between working parts of die and block , it is proposed the successive partial plastic forming methods for groove have been divided to two kinds of basic deformation styles , rolling and splitting extrusion
在总结归纳各种方法变形特征的基础上，根据模具工作部分与坯料之间的运动关系，提出槽的连续局部塑性成形可划分为滚轧与劈挤两种基本变形方式。