Laplace变换原理
the laplace transformation principle
机电转换原理
electro-mechanical transform principle
极小熵交换原理
minimum entropy exchange principle
竞争置换原理
competitive displacement principle
模态转换原理
switching transition principle
炮检互换原理
shot-receiver interchangeable principle
时间-温度置换原理
Time-temperature superposition principle
阳离子交换原理
cation exchange principle
坐标变换原理
Principle of Coordinate Transformation
坐标转换原理
Principle of coordinate transform
第一性原理理论
first principles calculations
科学管理原理
principle of scientific management
热处理原理
heat treatment principles
heat treatment
principles of heating processing
热处理原理及工艺
principles & technology for heating processing