"共线"是个多义词，它可以指共线（数学术语）,共线（交通术语）。
共线性的影响是使回归系数不可靠。
The effect of colinearity is to make the regression coefficients unreliable.
光学参量产生过程中，必然存在共线和非共线光波相互作用。
It's unavoidable that collinear and non collinear interactions in the process of optical parametric generator.
当它们之间的相关程度很高，就会产生统计学家称为多元共线的问题。
If there is a high level of correlation between them, we have a problem that statisticians call multicolinearity .
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