alternation switch 交替开关,变更开关...alternation n.交互,轮流,间隔交替工作交...alternation of melting points 熔点的交替...alternation theory 更替学说,格子学说(抗原抗体反...number of alternation 交变次数...alternation gate "或"门...alternation of multiplicities law 重复性变化定律...reel alternation 换卷,换盘...alternation law 更迭律;更迭定律...tape alternation 带交替;换带...alternation theorem 交错定理...color-hpase alternation 色相交变...alternation of generations 世代交替...alternation of heart 心脏交替...electrical alternation oT beart 心电交替...electric alternation 心电交替...
交流互动
发表言论