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单词 Sufficient Condition
释义

Sufficient Condition

英语例句库

A series of the necessary and Sufficient conditions of the diagonalizable orthogonaltransformation and orthogonal matrix is given.

获得了一种求可对角化正文矩阵的特征向量的简便方法。

In this paper, the limit is broken through and a more general necessary and sufficient condition for schedulability is proposed.

突破这一限制，提出了更具一般性的可调度性分析判定充要条件。

The necessary and sufficient conditions of similarity of two idempotent matrices are proved, the idempotency of linear combinations of two idempotent matrices is discussed.

摘要证明了数域上两个同阶幂等阵相似的充要条件是它们有相同的秩；给出了幂等阵的相似标准型；讨论了两个幂等阵的线性组合仍是幂等阵的充要条件。

Considering the subnormal subgroups,some equivalent conditions for nilpotency of finite groups are given and a sufficient condition for nilpotency of finite groups is obtained.

研究次正规子群对有限群结构的影响,得到幂零群的若干等价条件和一个充分条件。

Finally,from the perspective of channel coordinal,the sufficient condition of option contract coordinating the supply chain effectively in both traditional supply chain and B2B E-market is discussed.

最后从渠道协调的角度,讨论了传统供应链和B2B电子市场下的期权合同能有效协调供应链的充分条件.

In addition, a sufficient condition of convex fuzzy-valued function getting minimum value is presented, and the method of convexification for a usual fuzzy-valued function is also given.

同时，给出了凸模糊数值函数取得最小值的充分条件以及凸化一般模糊数值函数的一种方法。

By using Taylor's formula, the article deduces the sufficient condition of the existent extreme value and the necessary condition of the inexistent extreme value of trinary function.

通过利用泰勒公式推导出判断三元函数极值存在的充分条件和极值不存在的必要条件。

原声例句
历年考研英语阅读真题（英语一）

This increasingly high level of education is probably a necessary, but not a sufficient condition for the complex political systems required by advanced economic performance.

先进的经济水平要求复杂的政治制度。越来越高的教育水平可能是复杂政治制度的必要的条件，但不是充分的条件。

TED演讲（音频版）精选

Moreover, evals and debugging are really just necessary, not sufficient, conditions for safety.

此外，评估和调试实际上只是安全的必要条件，而不是充分条件。

TED-Ed（视频版）

But this doesn’t mean that it’s a sufficient condition – planets like Venus have atmospheres but lack other criteria for habitability.

但这并不意味着这是一个充分条件— —像金星这样的行星有大气层， 但缺乏其他宜居性标准。

就业、利息和货币通论（上）

For whilst the weakening of credit is sufficient to bring about a collapse, its strengthening, though a necessary condition of recovery, is not a sufficient condition.

因为虽然信用减弱足以导致崩溃， 但信用增强虽然是复苏的必要条件， 但并不是充分条件。

1997-2009年考研英语历年真题（阅读部分）

17. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance.

17. 日益提高的教育水平可能是先进经济表现所需的复杂政治制度的必要条件，但不是充分条件。

就业、利息和货币通论（下）

We have shown above that for a commodity to be the standard of value is not a sufficient condition for that commodity's rate of interest to be the significant rate of interest.

我们在上面已经表明，商品的价值标准并不是该商品的利率成为显着利率的充分条件。

英语百科

Necessity and sufficiency

The sun being above the horizon is a necessary condition for direct sunlight; but it is not a sufficient condition as something else may be casting a shadow, e.g. in the case of an eclipse.
That a train runs on schedule can be a sufficient condition for arriving on time (if one boards the train and it departs on time, then one will arrive on time); but it is not always a necessary condition, since there are other ways to travel (if the train does not run to time, one could still arrive on time through other means of transport).
Consider two logical statements S and N, such that S is sufficient for N (if S is true, then N must also be true). Figuratively, if we are within S then we are within N. It follows that S cannot be true unless N is true – i.e., that N is a necessary condition for S.

In logic, necessity and sufficiency are implicational relationships between statements. The assertion that one statement is a necessary and sufficient condition of another means that the former statement is true if and only if the latter is true. That is, the two statements must be either simultaneously true or simultaneously false. In ordinary English, 'necessary' and 'sufficient' indicate relations between conditions or states of affairs, not statements. Being a male sibling is a necessary and sufficient condition for being a brother. Fred's being a male sibling is necessary and sufficient for the truth of the statement that Fred is a brother.
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更新时间：2025/6/23 16:51:42