词汇	water spatial
释义	water spatial 水资源
随便看	Commutative context-free grammar Commutative context-free language commutative contract Commutative contract and independent contract commutative controller commutative cross commutative derivation context-free language commutative diagram commutative domain commutative education commutative element Commutative element of a group commutative element of group commutative encryption commutative field commutative filter Commutative formulae commutative graded R-algebra commutative group commutative groupoid Commutative Groups commutative image commutative justice commutative law commutative law for addition