equivalence law等价定律equivalencen.相等；等值equivalence transformation rules等价变换规则equivalence of node's information塔尔诺equivalence grid service relation等价网格服务关系equivalence between two algorithm两个算法间的等价性Equivalence law of ordered sampling有序抽样等价定律equivalence class classifying method等价类划分法Equivalence of Impure Negative Crime不纯正不作为犯的等值性equivalence of science and rationality科学和理性的等同equivalence region with same attribute同属性等值区equivalence problem of flowchart schema框图模式的等价问题