法则: rule; law等质性法则: fsctor of similarity耐受性法则: law of tolerance同时性法则: law of contemporaneity相似性法则: similarity rule统计恒性法则: law of statistical constancy; lawofstatisticalconstancy二阶可压缩性法则: second order compressibility rule; second-order compressibility rule个体差异性法则: law of individual differences指数有理性法则: rationality rule of indices电负度法则;阴电性法则: electronegativity rule杜氏定律(非可逆性法则): dollo's lawa法则: a-law法则: rule; law 自然法则 law of nature; natural law极性: absorption of polar molecule; chemical polarity; heteropolarity; polar bond; polar nature; polarity变性法: degeneration methods表性法: method of expression电性法: electronic means定性法: qualitative method碱性法: basic process理性法: law of reason软性法: soft law酸性法: acid electric process; acid process保护性法观: protective legislation比放射性法: way of specific activity补救性法规: remedial statute