covariant 是什么意思

	adj.,n. 【统计学】协变的[式]。

changing so that interrelations with another variable quantity or set of quantities remain unchanged

	1.	Every vector can be resolved into covariant or into contravariant components . 每个矢量都可以分解成协变分量或逆变分量。
	2.	the quantities baβ are the covariant components of a plane tensor, called the curvature tensor of the surface. ba是“平面张量”的协变分量，叫做该曲面的曲率张量。
	3.	A generalized london equation in covariant form 相对论协变的伦敦方程
	4.	Covariant return types are now supported 现不再支持协变返回类型。
	5.	Alternating covariant tensor field 共变交错张量场
	6.	Covariant alternating tensors 共变交错张量
	7.	Absolute multiple covariant 绝对多重共变式
	8.	Covariant spinor of first rank 阶共变旋子
	9.	Covariant tensor of degree q q 次共变张量
	10.	Covariant vector function 共变向量函数

covariant是什么意思