# if and only if in Chinese

• 逻辑双条件
• 若且唯若当且仅当
• 若且为若
• 实质等价
• 双条件
###### Examples
• 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。
• Two sets are said to be equivalent if and only if they can be placed in one-to-one correspondence .
当且仅当两个集合中的元素一一对应时，才称它们为等势。
• Theorem 1 and are equivalent infinitesimals if and only if
定理1与是等阶无穷小的充分必要条件为
• A node - set is true if and only if it is non - empty
一个节点当且仅当它不是空节点时，表达式的值为真。
• Specifies the block of code to execute if and only if the conditions of all
元素的条件的计算结果均为
• If and only if exactly one of
对于boolean比较，当且仅当
• A string is true if and only if its length is non - zero
一个字符串当且仅当它的长度不为0是，表达式的值为真。
• If and only if both its operands are
时，结果才为
• A string is true if and only if its length is non - zero . in
字符串的值为真的充分必要条件就是字符串的长度不为零。
• Every thing has its solution , if and only if you can be farseeing
每个问题都有其解决之道，只要你把目光放得远一点！
• More examples：  1  2  3  4  5
What is the meaning of if and only if in Chinese and how to say if and only if in Chinese? if and only if Chinese meaning, if and only if的中文if and only if的中文if and only if的中文，translation, pronunciation, synonyms and example sentences are provided by ichacha.net.