电磁场中的"本构关系"英文怎么说

12-07

本构关系在Collin 编的书中用
Relation between field intensity vectors and flux density vectors表示
矢量一般就用vector表示
各分量一般用part
标量值用amount 202.115.9.119

constitutive relations.
Variable, I think. 61.174.148.53