请输入您要查询的字词:
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
Ecological Identification Law of the Russian Federation
ecological immunology
ecological impact on soil
ecological imperialism
ecological industrial park
Ecological industry
ecological infrastructure
ecological integration
ecological integrity of water ecosystem
ecological interface design
ecological invasion
ecological irrigation district
ecological isolation
ecological landscape fragmentation index
ecological liberty
ecologically sensitive area
ecologically unequal trade
ecologically vulnerable zone
ecological man
ecological management
ecological Marxism
ecological meteorological disaster
ecological migration
ecological model
ecological monitoring
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/5/17 23:05:33