第一充分条件_有道手机词典

1.他有两方面的证据：第一，现存的灾难性撞击的残骸与Baptistina和她的后代有相同的成分，这是必要条件，但并非充分条件，因为含碳的球粒状陨石在其它小行星上也有；
That is a necessary but not a sufficient condition, as the type of rock involved, called carbonaceous chondrite, is found in other asteroids, too.
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2.第一章包括六个领域和薄弱和强大的极值充分条件的理论。
First six chapters include theory of fields and sufficient conditions for weak and strong extrema.
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3.那么，看来没有人反驳我的第一个论点：真实的契约本身不是一定…… 不是要求我们履行义务的充分条件。
So, maybe there's no dispute then to my first claim that an actual agreement is not necessary to their… is not a sufficient condition of there being an obligation.
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