The covariation of language and society is a fundamental concept in the covariation theory of sociolinguistics.
语言和社会的共变是社会语言学共变论的一个基本观点。
2
The algorithm constructs matrixes by using covariation or covariation coefficient and estimates bearing and range of near-field sources by rooting method.
本方法利用协变异(或协变异系数)构造矩阵，并通过求根的方法估计近场源的方向角和距离参数。
3
The covariation between the potential cause and the result and the causal power of the potential cause are two most important factors in causal judgement.