必要条件是数学中的一种关系形式。如果没有A,则必然没有B;如果有A而未必有B,则A就是B的必要条件,记作B→A,读作“B含于A”。数学上简单来说就是如果由结果B能推导出条件A,我们就说A是B的必要条件。
必要条件(essential condition; indispensable condition; necessary condition)
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我看很难11个体踢完竞赛,AC赢球的填塞必要条件(Necessary condition)是自己罚下1~2一面;如今判给AC一个点球他们也偶然赢球了,一个有信念者所开发出的力量,大于99个只有兴趣者。
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必要条件假言推理 hypothetical inference for necessary condition
必要条件假言命题 hypothetical proposition for necessary condition
充分必要条件假言命题 hypothetical proposition of necessary and sufficient condition
充分必要条件假言推理 hypothetical inference under necessary and sufficient conditions
充分必要条件(充要条件) necessary and full condition; (又作) necessary and sufficient condition
必要条件假言命题的负命题 negation of necessary condition’s hypothetical proposition
充分必要条件假言命题的负命题 negative hypothetical proposition of necessary and sufficient conditions
充分必要条件 necessary and sufficient condition ; [数] Sufficient and Necessary Condition
控制必要条件要求 Control Requirements
Organization structure innovation provides essential condition for enterprise sustained development.
组织结构的创新为企业可持续发展提供了必要条件。
参考来源 - 信息化时代的企业组织创新Knowledge-sharing is necessary conditions of developing high-tech industry clusters and the driving force for sustained innovation.
知识共享是高科技产业集群发展的必要条件和持续创新的动力。
参考来源 - 基于知识链的高科技产业集群知识共享研究The specific control methods and necessary conditions to realize the technology,such as the selection of PLC and software programming,were explained.
讲解了具体的控制方式及技术实现的必要条件(如可编程逻辑控制器的选择及软件编程)。
参考来源 - 粉末喷涂生产线的PLC+PC控制技术Camera calibration is an important prerequisite for retrieving 3D information of scene.
摄像机定标是实现三维信息恢复和极线约束的必要条件,因此本论文提出了一种立体双目摄像机的在线自定标方案。
参考来源 - 主动立体视觉关键技术及其应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
大学学位已经成为在大多数行业谋职的必要条件。
A university degree has become a requisite for entry into most professions.
成功的农业改革也是墨西哥实现现代化的必要条件。
Successful agricultural reform is also a sine qua non of Mexico's modernization.
过剩的降雪是冰川形成的必要条件。
In other words, the text is what makes the ascertainment of meaning possible and available to us, but meaning is not in the text.
换言之,作品才是使含义得以传达的必要条件,但含义又并不在文本里。
And what we saw last time is that this was necessary to make things work, this part of it in particular.
上节课我们讲,这是对外做功的必要条件,特别是这个部分。
But in fact, logically speaking at least, variability, although it's a requirement for unpredictability, doesn't guarantee unpredictability.
但实际上,至少在逻辑上讲,可变性虽然是不可预见性的必要条件,但是不可预见性却不是必然。
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