necessary

necessary

美 [ˈnesəˌseri] 　英 [ˈnesəs(ə)ri]

• n.必需品；〈口〉必需的金钱[行动]；〈美方〉厕所
• adj.必需的；必要的；必然的；无法避免的
• 网络必须的；需要的

词形变化

反义词

同义词

英汉双解

英汉解释

英英解释

例句

Even if you can't eat like a health nut all the time, at least you'll get most of your necessary vitamins with the help of a supplement.

即使你不能像一个很注重养生的人一样时时都吃维生素，至少也用通过补充获取大部分必要的维生素。

Consequently, a third test was necessary to see if these abilities could have been learned.

因此，有必要再进行一项实验，观察这些能力能否通过后天学习取得。

Even after he had completely abjured violence he was honest enough to see that in war it is usually necessary to take sides.

即使在他发誓彻底放弃暴力后，他也诚实地明白在战争中经常必须要选择一方。

Then you can fill in the gaps, clear up misinformation, and, if necessary and appropriate, explain what you know from your own experience.

然后，你就可以填补空白，把他们误解的厘清，而且，如果必要和合适，解释从你自己经验中你所获知的东西。

Necessary up to a point, but quite dull, and not something that deserves a place in management literature.

虽然在一定程度上是必需的，但是相当枯燥，也没有资格在管理学文献中占有一席之地。

Nobody wants to see that happen. Yet it may happen all the same, and Mr. Obama has to be willing to let it happen if necessary.

没有人愿意看到这种情况变成现实。但是，也许它终归会变成现实，而在必要的情况下，奥巴马必须心甘情愿地任由它变成现实。

His flight home delayed and able to obtain the necessary permits, he drove up to the affected coast.

他回家的航班被延误，并且获得许可进入灾区做调查。

until the Bidder shall have entered into contract with you and furnished the necessary performance bond.

直至投标者与贵方签订合同并提供必要的履约保证金为止。

This was quite a feat as the intense light from the star normally obscures the subtle visual details necessary to distinguish a planet.

这可以算得上是个相当壮举，因为恒星发出得强烈光芒掩盖了区分行星所需得视觉细节。

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。

Sometimes it is necessary to be a little cruel, to see the truth of the matter.

有时候做人要残忍一点，才能看清楚事实。

If you want to go on a trip, it's necessary to take a map with you.

如果你想旅游，随身携带一张地图很有必要。

In a statement, Rosneft said the British court order was groundless and it was taking all necessary measures to protect its interests.

Rosneft在一份声明中表示，英国法庭的命令毫无根据，该公司将采取一切必要手段保护自身的利益。

All of those natural stages were necessary to bring the peoples to this point of conscious awareness and action.

所有这些自然的阶段，为了给人们带来这种觉知的行为和思想被需要着。

If the subnet for that LAN adapter changed, it is necessary to determine if package-related subnet parameters must be updated as well.

如果该LAN适配器的子网发生了更改，则必需确定是否还须更新与套装软件相关的子网参数。

NProtect is a server based solution and is automatically activated at the launch of any web page that requires the necessary protection.

是一种基于服务器端的解决方案并且当那些需要保护的任何网络应用被运行时而自动启动。

Note it is only necessary to work through the steps in that article up to the "Running the application" section.

请注意，该文章中只有到“运行应用程序”部分的步骤是有必要进行的工作。

But Dr Bechara said the insula appeared to be involved with "learned behaviours" rather than those necessary for survival.

但是，Bechara博士说，脑岛表现为与“学习行为”有关，而不是生存行为。

Water can be available up to the time of surgery and is necessary if the cat is held in the trap for more than eight hours after capture.

如果猫在抓取之后达超过八小时在圈套中被拿着，水直到外科手术的时候可能是可得的并且是必需的。

Leaders from France, Britain and the United States have said the operations are necessary and that Mr. Gadhafi.

法国、英国和美国的领导人说，发起这次军事行动是有必要的，因为卡扎菲的部队不顾警告，仍在发动攻击。

He was most liberal where money would bring him a powerful or necessary political adherent.

在金钱能够收买一个干练的或者必需的政治拥护者的地方，他是很不惜花钱的。

To get high rates of advance it is sometimes necessary to work on two, three or even four shifts a day.

为了取得高的掘进速度，有时有必要在一天内分两班、三班、甚至四班工作。

Because of local resistance, federal intervention may be necessary to designate certain sites for hazardous-waste-disposal facilities.

由于地方上的阻力，或许有必要通过联邦政府的调解来指定某些近便的有害废物处理场。

I understand that it is absolutely necessary to the character in perfection.

我认为那对培养一个完美无缺的人物是绝对必要的。

Q represents the nonmetallic atoms necessary to complete a heterocyclic nucleus containing 5 atoms in the heterocyclic ring.

Q是形成5个原子杂环核所必须的非金属原子。

In solving most stress problems it is first necessary to find the reactions that the given loading produces.

在解决多数的应力问题时，首先必须求出已知载荷产生的反力。

She felt that between herself and Miss Ley alone the necessary explanations would be awkward.

她感到在她和莱伊小姐之间进行必要的解释这件事难于处理。

The guano is a fine bird, but great care is necessary in rearing it.

爪努是一种很好的鸟，可是饲养必须多加小心。

The first sign came in 1835 when crop failures made it necessary to import wheat from Europe.

最早的迹象是一八三五年出现的。当时，由于农业歉收，不得不从欧洲进口小麦。

If such is the case, we ought not to lie here a minute longer than is necessary.

要是真的如此，不管怎么样，这里一刻也不能呆了。

So much necessary violence in Pro football build up in the plays a towering hatred against their opponents.

职业橄榄球比赛中许多必要的冲撞以致队员逐渐对他们的对手积怨如仇。

It was up to the South Vietnamese-and the United States-to take the steps necessary to defeat it.

要挫败它全得靠南越和美国去采取必要的措施。

For the facsimile transmission of a book it is at present first necessary to make photocopies of the book's pages.

一本书的传真传送目前首先需要将每一页影印。

Few monochrome television engineers found it necessary to be knowledgeable about the subject of "light" .

在从事黑白电视工作的技术人员中，很少有人感到必须具备有关光学方面的知识。

He thought it necessary to extenuate the length of time he kept the dinner on the table.

他认为必须解释一下为何把晚餐留在桌上那么久。

She wondered indeed at his thinking it necessary to do so, but supposed it to be the proper etiquette.

她不相信他真心以为有必要这么做，而推想这是必不可少的礼仪。

Mrs. Butler recollected that her husband was not possessed of the information necessary to form a judgement upon the occasion.

布特勒太太想她丈夫对这事所知有限，对这个问题也难以作出判断。

Only young magma intrusions contain the amount of heat necessary for the heat supply of an economical geothermal field.

只有年青的岩浆侵入体才能拥有一个经济性地热田热补给所必需的热能。

The police had to take the necessary measures and prepared to resist the mob with their swords.

警察不得不采取必要的措施，准备用刺刀来镇压这群肇事者。

The appointing authority may require from either party such information as it deems necessary to fulfil its function.

指定机关可要求任何一方提供它认为为执行其职务所必需的资料。

A further discussion (on the matter) is necessary.

进一步讨论是必要的。

The existence of rich resources is not a sufficient condition for developed industry, nor even a necessary one. But it helps.

蕴藏丰富的资源不是工业发达的充分条件，甚至也不是必要条件。但它有助于发展。

Procedures different from those used in adults are necessary for the reliable measurement of blood pressure in children and adolescents.

小儿和青少年测量血压的可靠方法和步骤应与成人不同。

I know it was necessary to punish the child, but nevertheless it left a nasty taste in my mouth.

我明知有必要惩罚这个孩子，可是我仍然感到懊悔。

The ladies had reached that vaguely melancholy hour when they felt it necessary to tell each other their histories.

女人们的心情，已经进入那种空洞地悲哀的时辰了，所以她们觉得有把自己的历史互相倾述一下的必要。

This ignorance precludes the full theoretical calculation of wave forms necessary to compare with relevant observations.

这种未知使我们无法作出所必需的理论计算，以与有关观测结果相比较。

The values of the redundant forces necessary to eliminate the errors in the displacements are now determined.

现在确定消除位移误差所需要的赘余的力值。

Mathematics is an organism for whose vital strength the indissoluble union of the parts is a necessary condition.

数学是一个有机体，它的生命力的一个必要条件是所有各部分的不可分离的结合。

Sometimes, when it was really necessary to get a job done by a certain time, they had to work late, perhaps till eight or nine o'clock.

有时候干一件真正需要限期完成的活，他们只得干到很晚，说不定直到晚上八、九点钟才收工。

That makes it necessary to bring the problem back to its proper setting.

这一点使得我们有必要把这个问题放回到适当的范围里来考虑。

If necessary, ask your domain administrator for the names of existing domain groups, or to create domain groups for your failover cluster.

如果需要，请向域管理员询问现有域组的名称，或者为故障转移群集创建域组。

All beneficial spells will automatically reduce rank if necessary to that of a lower level target.

所有有益法术对低级人物释放时会自动选择合适的法术等级。

It is often necessary to reward people for their hard work, if you want them to continue working hard for you.

如果你想要人们继续努力工作，就有必要奖励他们的工作。

He visited the Home Affairs Department which refused to issue the visas necessary for us to be able to leave the country.

他去拜访了民政局，民政局拒绝给我们签发出境的签证。

Could it really be that there was so much inefficiency and, to get rid of it, little more was necessary than to tell people to sort it out?

难道真的是因为手下的人效率太过低下，为了摆脱这个问题，除了命令他们解决问题，还有必要插手做点什么？

Crown had been seen as an underdog at best but had been encouraged by Ford if it could find the necessary funding, the paper added.

报导称，皇冠财团一直不被看好，但通用鼓励其坚持竞购，若其能获得必要融资的话。

It is a very difficult tip to follow, but a necessary one, if you want to really get out of debt.

这条建议很难做，但又很必要，如果你是真的想要摆脱债款。

You may think it a singular case, yet the fact remains that this has made it necessary for us to file a claim on you.

你可能认为这事是头一回，可事实不得不让我们向你们提出索赔。

It might be necessary to run an instance directly on a specific user system, depending on the nature of the problem.

在特定用户系统中可能需要直接运行实例，这取决于问题的性质。

Understanding your different roles and learning to keep them distinct when necessary can help you keep some sense of balance between them.

理解每个不同的角色，学着把他们各自区分开来有助于你保持各个角色的平衡。

If you're unable to go at your allotted time, it will be necessary to wait until the next day when your turn comes again.

如果你不能在分配的时间内入厕，将必须等到第二天轮到你的时候再去。

She said the importance of these primates for understanding the skills necessary for the evolution of modern humans was unparalleled.

她说，对灵长类的研究，对理解现代人类的进化所需掌握的必要技能是无与伦比的。

For the e-mail to be routed through this configuration file, which is called . procmailrc, another step or two might be necessary.

对于通过此.procmailrc配置文件路由的邮件而言，还需要另外一个或两个步骤。

The only whiff of dodginess about the place is the city mayor's statement that it had been operating without some of the necessary permits.

市长声明说这家赌场一直都在无证经营。就所在位置来看，它似乎根本不像一家简单的娱乐场所。

A little as dry as a chip also insipid character, not was necessary to be read, of this back back a bit.

也有些枯燥乏味的文字，没有必要读完，该背的的背一点。

still some novelty was necessary , to give to their return the piquancy with which i wished it to be invested.

不过赋予某些新意还是必要的，使她们回家的时候有一种我所希望的生气。

Mistrust grew between ardent Nazis and anyone who did not seem to show the necessary level of enthusiasm for continuing the struggle.

狂热的纳粹分子和那些觉得已经没有必要继续斗争的人之间开始产生不信任。

8 "It is often necessary, even desirable, for political leaders to withhold information from the public. "

政治领导们在公众面前有所保留是必要的，甚至是必须的。

Perhaps so, but today several sectors of Spanish society are wondering if it was necessary to meet those obligations quite so quickly.

或许如此，但今天西班牙社会的几个部门都知道如果它是必要的，履行这些义务的这么快。

The time had come, so I carefully put the babies on the floor of the kitchen and held my breath, ready to come to the rescue if necessary.

关键时刻来了。我小心翼翼地把猫仔放在厨房地上，屏住呼吸，准备必要时救助那些小猫。

It seemed that the delegates knew they were going through necessary motions.

代表们似乎认识到，他们不过是在做出一些必要的姿态。

It was concluded that the level of change necessary would be low.

结论是，需要作出的变更程度很低。

He points out that while it is necessary to believe that two lines will tend toward each other on the side.

他指出，我们诚然必须相信直线必在这侧逐渐相接近。

If your plug will fit one of his mental holes, he can furnish the necessary answer, but otherwise he's lost.

要是你的插头插得进他脑子里的某一个插口，他就能提供必要的回答，不然的话，他就只能朝你翻白眼。

In addition to the federal courts of general jurisdiction, it has been necessary from time to time to set up courts for special purposes.

除了有一般裁判权的联邦法院之外，有时也有必要为了特殊目的而设立法庭。

This is the sum of a good government, and this is necessary to close the circle of our felicities.

这是一个良好政府的标志，而这也是为我们幸福圆满之所必需的。

Very little inquiry was necessary to guide her footsteps.

她往前走并不需要多打听。

It became necessary to keep an eye upon the deputies.

不得不把代表们都看管起来。

It is necessary for us to distinguish carefully between the temperature of a body and its heat.

我们有必要仔细地把物体的温度跟它的热量区别开来。

We have already seen that the condition is necessary so we have to prove only the sufficiency.

我们已经看到此条件是必要的，故我们仅需证明其充分性。