1)integral invariant,积分不变式2)Conformal integeral invariant,共形积分不变式3)relative integral invariant,相对积分不变式4)absolute integral invariant,绝对积分不变式5)invariant integration,不变积分6)permanent of matrix,不变积和式
用法例句
The permanent of matrix plays an important role in Combinatorial Mathematics, especially in Graph Theo-ry , but its application is still not as wide as that of determinant of matrix, because it is very difficult to calculate the value of permanent.
