多用途 重水研究堆主换热器内、外 管间 的定位结构采用螺旋分布,以减小 流动阻力.Primary - exchanger is one of the key equipment in the - application Heavy Water Research Reactor ( MHWRR )....
The effect of colinearity is to make the regression coefficients unreliable.共线性的影响是使回归系数不可靠.Characteristic defects are of two main types; regression and syneresis.特征缺陷主要有两类: 即退化和脱水收缩.The spontaneous regression of establi...