adj. 1.不重要的，非必需的。 2.无实质的，非物质的。 n. 可有可无的东西。 n. -ity
not basic or fundamental 同义词：unessential,
not absolutely necessary
anything that is not essential; "they discarded all their inessentials" 同义词：nonessential,
例句与用法
1.
He wished to strip his own use of language of inessentials , ridding it of all traces of verbosity , embellishment , and sentimentality 他希望削去自己文章里一切不必要的字句，彻底去除累赘、装饰，以及滥情的词语。
2.
The structure of supplemental wipers inessential for making perfect shoes especially when side and heel lasting machine will follow for one time forming . fig . 6 17 .回转爪结构第五爪结构于扫刀结帮时，爪嘴可向内旋转专利第新型86 2 0 6459号。
3.
But motivation errors was not simply inessential in legal , even it must be concerned sometimes . it was in roman law that began to pay attention to motivation errors 但是,在法律上动机并不能被单纯地理解为无关紧要,在特定情况下它必须被法律所关注,在传统上,罗马法已经开始对有关的动机错误予以关注。
4.
Outlier detection is a very important technique in data mining . in this paper , a more practicable system on outlier mining technique in high - dimensional is presented , which uses reduction character of rough set to cut out some inessential attributes and then mines outliers in subspace of every correlation rules 本文提出了对高维空间下离群点挖掘技术上的一个改进，即利用粗糙集的约简特性对高维空间下的数据属性进行约简，通过约简一些无关紧要的属性来减少高维空间的维数。
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