necessary - 搜索 词典 10 Within the body of a subquery, it is often necessary to refer to the value of a column in the active row of the main query 在 子 查询 的 正文 中， 通常 需要 引用 主 查询 的 活动 行 中 的 列 的 值。
necessary（英语单词）_百度百科 Reorganization is necessary on the distributive side of this industry 此行业的产品分配环节必须重组。 It is necessary initially to classify the headaches into certain types 起初把头疼分成若干类别是有必要的。 We are still looking for someone who combines all the necessary qualities
NECESSARY中文 (简体)翻译：剑桥词典 - Cambridge Dictionary If you're going into teaching, energy is a necessary commodity Some alterations to our original plans might be necessary We shall do everything necessary to bring the murderer to justice We can always go back to the original plan if necessary No purchase is necessary for you to enter this competition
necessary - Wiktionary, the free dictionary necessary (comparative necessarier or more necessary, superlative necessariest or most necessary) Required, essential, whether logically inescapable or needed in order to achieve a desired result or avoid some penalty
NECESSARY definition and meaning | Collins English Dictionary A necessary consequence or connection must happen or exist, because of the nature of the things or events involved Wastage was no doubt a necessary consequence of war Scientific work has a necessary connection with the idea of progress