(推广)正则变量
Generalized)normal variables
层次推进式教学模式
progressive push teaching mode
双速—定距桨推进系统
two speed fixed pitch propellerpropelling system
《周易》与类比推理
The Zhouyi and reasoning from analogy
100%推广使用安全套
100% condom use programme
1250mm强力推床
1250 mm powerful side guide
3x+1推广函数
the generalized 3x+1 function
generalized 3x+1 function