| 释义 |
necessary and suffieient condition
基本例句
充要条件
Necessary and suffcient conditions for the existence of such strategies are established.建立了关于这类策略存在的充要条件。
The author of this article finds a necessary and sufficient condition of the independece of random variables by using the three lemmas.利用三个引理，作者找到随机变量独立性的一个充要条件。 |