颗粒-颗粒传热
particle-particle heat transfer
Lasalle不变原理
LaSalle invariance principle
LaSalle-type theorem
Strassen不变原理
Strassen’ s invariance principle
光速不变原理
principle of invariance of light speed
principle of constancy of light velocity
constancy of the speed of light
invariance of light speed
几乎必然不变原理
Almost sure invariance principle
能量不变原理
principle of conservation of energy
强不变原理
strong invariance principle
The strong invariance
微分方程不变原理
invariance principle of differential equations
invariant principle of differential equation
依赖方向不变原理
invariance principle of dependent direction
骨料颗粒粒径
backbone grain distributing
颗粒粒度表征
particle size measurement investigation
颗粒粒度测量
particle size measurement
particle sizing
颗粒粒度分布
particle size distribution
Grain size distribution