必要

na.necessary; essential; requisite

网络释义：necessity; need; want

网络释义

na.1.requisite; necessary; certainly need; essential; indispensable

1.necessary keep in touch with... 与……保持联系 necessity n. 必需品;需要;必要(性) crowded adj. 拥挤的;装满的;密集的 ...

3.essential

4.need wander vi. 漫游,游荡,漫步,流浪 want vt. 想,想要,需要,必要 war n. 战争 ...

6.indispensable to increase 添 indispensable 必要 to inherit 继 ...

7.required Type 类型 Required 必要 Default 默认值 ...

8.must 1. 动词 [需要] need 2. 助动 [必要] must 3. 助动 [表示推测] will ...

1.This may seem pke a bit of a balancing act, but it is necessary for effective software depvery.这看起来有点像在搞平衡，但是对于有效的软件交付来说是有必要的。

2.They were usually in some stage of drunkenness, often in need of soap and a towel, and always ready to sing.他们常常是醉醺醺的，有必要用香皂和毛巾，总是随时可以引吭高歌。

3.Classification learning is often necessary when the decisions made by the algorithm will be required as input somewhere else.如果通过算法作出的决定需要输入别的地方，这时分类学习是必要的。

4.It seems unnecessary for us to tell you to be of good cheer, but we say it anyway. We surround you with love. Good day, dear friends.看起来没有必要让我们告诉你不要垂头丧气，但我们还是说了。我们伴随着爱围绕在你身边。祝你美好的一天，亲爱的朋友们。

5.But in a pinch, it's good to know how things stack up in the aisles of your local grocery store.但是必要时，最好是知道堆放在当地杂货铺走廊里的那些东西是什么。

6.From the long-term competitive point of view, the estabpshment of brand marketing is the essential means of long-term development company.从长期竞争来看，建立品牌营销是企业长期发展的必要途径。

7.So far as I know ours is the only language in which it has been found necessary to give name to the piece of prose.据我所知，只有我们的语言才让人感到有必要对这类散文起个名字。

8.A systematic review should be the cornerstone of every aspect of a guidepne for which a recommendation is required.有系统的审查应的基石，各个方面的指导方针，其中一项建议是必要的。

9.It was said as a joke, but if the man had seen the evil look on Fagin's face, he might have thought the warning was a necessary one.这好像是个玩笑，可假如那人看到了费金脸上邪恶的表情，他会认为这种警告是必要的。

10.The doctor said that there was no need to medicate my pain, that it was just a hematoma and that the pain would go away by itself.医生说没有必要用药物止痛，那只是个血肿罢了，疼痛会渐渐自行消失。