“双条件式”的概念、定义、翻译、参考文献-科学参考

单词	双条件式
释义	双条件式 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。
随便看	surface tension of glass surface tension of solid surface texture measurement technique surface texturing surface theory surface tillage surface topdressing surface top-hammer drill rig surface topography surface-to-volume ratio surface transformation surface treatment of fibers surface treatment of glass surface treatment of magnesium alloys surface triangle surface type heat exchanger surface ultraviolet radiation surface-underground contrast plan surface use classification surface vacancy surface vibration surface vibrational spectroscopy surface viscosity surface water surface water environment impact evaluation

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。