“biconditional”的概念、定义、翻译、参考文献-科学参考

单词	biconditional
释义	biconditional Encyclopedia 文学特指性释 biconditional双条件式对于任何命题P、Q而言，P是Q的充分必要条件，P成立时，Q成立；Q成立时，P成立，即P等价于Q的条件式。用符号“↔”表示。又称等值式。 Mathematics biconditional双条件的；双条件联结词
随便看	fisheries mutation breeding fisheries observer fisheries oceanography fisheries of oceanography fisheries population equilibrium Fisheries Research Agency fisheries research institutes at provincial levels fisheries resource assessment counting method fisheries resource assessment swept-area method fisheries resources cultivation and protection fee fisheries resources property rights fisheries resource strategy management Fisheries Science fisheries science and technology progress Fisheries Science & Technology Information fisheries seasoning sauce (oyster sauce, shrimp paste, crab sauce) fisheries spices fisheries spices processing technology fisheries statistics fisheries stock assessment fisheries stock assessment by fish larvae and juveniles fisheries subsidy policies fisheries survey patterns fisheries technical and economic effect evaluation index system fisheriestechnical economy

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。