效应分层原理
effect hierarchy principle
层序原理
principle of superposition
地层位移控制原理
Principle of ground displacement control
煤层一顶板相关原理
Coal bed-roof interrelated theory
浅层沉降原理
mechanism of shallow-layer sedimentation
原水平层理
original horizontal stratification
自发单层分散原理
Principles of the spontaneous monolayer distribution
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