当且仅当是什么意思_当且仅当用英语怎么说_当且仅当的翻译_当且仅当翻译成_当且仅当的中文意思_当且仅当怎么读,当且仅当的读音,当且仅当的用法,当且仅当的例句

An edge is a bridge if it is not contained in a cycle.

一条边是桥当且仅当它不包含在圈中.

辞典例句

Positive semi - definite matrices are positive definite if and only if they are nonsingular.

正半定矩阵是正定的,当且仅当它们是非奇异矩阵.

辞典例句

Arrays are assignment - compatible only if they are of the same type - the following code will not compile.

数组之间是赋值兼容的当且仅当它们属于相同的类型.

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This predicate returns true iff u has extended a friendship invitation to v.

该谓词返回true当且仅当u向v发出了朋友邀请.

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Also, a hyperplane in X is Tsequentially closed iff it is T ~ - - closed.

又, X中超平面为T—列闭当且仅当它为T~ -— 闭.

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