您要查找的是不是：
- left identity element 左幺元,左单位元素
- In other words, F respects addition, multiplication and identity element. 换言之，F保持加，乘法和单位元。
- If we consider the integers with ordinary multiplication we have closure, associativity, and identity element. 如果我们考虑整数集且用通常的乘法，我们有封闭性，可结合性，和一个单位元。
- An zero element and identity element can be adjoined to a number of the class of semirings. 这些半环均可添加零元素和幺元素，且添加后均是分配伪格。
- If we consider the integers with ordinary multiplication we have closure , associativity, and identity element. 如果我们考虑整数集且用通常的乘法，我们有封闭性，可结合性，和一个单位元。
- Each subgroup contains exactly one idempotent, namely the identity element of the subgroup. 每个子群精确的包含一个幂等元，也就是这个子群的单位元。
- Since the identity element of a monoid is unique, one can alternately define the identity function on M to be this identity element. 因为么半群的单位元是唯一的，可以以M上的单位元来替代其恒等函数的定义。
- A set with an associative binary operation under which the set is closed,which contains an identity element and an inverse for every element in the set. 群二元结合运算为闭合的数学集合，具有单位元素。集合中每一元素都有逆元素。
- Mathematics A set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set. 群：二元结合运算为闭合的数学集合，具有单位元素。集合中每一元素都有逆元素
- A set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set. 群二元结合运算为闭合的数学集合，具有单位元素。集合中每一元素都有逆元素
- A kind of probability sample in which a set interval is applied to a list often population to identity elements included in the sample (e. G., Picking every 10th name). 一种概率抽样。以一定的间隔来从人口名单中抽取所需的样本(如:每隔10个人抽取一次)。
- He left his job largely because he was homesick. 他辞职不干主要是因为他想家。
- You want the safety of having the compiler enforce the identical element type and calling sequence. 您需要安全地让编译器强制执行相同元素类型和调用序列。
- He left when the band began to beat out pop music. 乐队一奏起流行音乐他就走了。
- She got her spunk up and left the country. 她一怒之下离开了这个国家。
- Bearer Capability Identity Element LT 承载能力标识单元
- No sooner had we left the village than it began to rain. 我们刚离开村子，天就下起雨来了。
- Some bright spark has left the tap running all night. 哪个小淘气干的聪明事，让水龙头开了一夜。
- Take the left fork at the crossroads. 到十字路口取左边的岔道。
- scalar-upper bound identity element 数量上界单位元
