it is necessary

It is necessary for the member states to fulfil their obligations under the treaty.

成员国必须履行条约所规定的义务。

It is necessary for office workers to exercise regularly.

经常锻炼对于上班族来说很有必要。

It is necessary initially to classify the headaches into certain types

首先，必须将头痛分为几个类型。

It is necessary to execute the electronic exercises in English teaching.

电子练习成为英语教学中不可缺少的环节。

It is necessary for the companies and state agencies involved to consider the ethical consequences of these potential changes to build a better future for all.

相关企业和国家机构有必要考虑一下这些潜在的变化所带来的伦理问题，从而创造一个对所有人都更美好的未来。

Therefore, it is necessary to build a deposit insurance system.

文章的第一部分从我国的法律环境和银行体系的现状两个角度全面分析了我国建立存款保险制度的必要性。

So, It is necessary to analyse its exegetical value systematically.

因此, 系统地分析出它的训诂价值是很有必要的.

It is necessary to perform an operation on him.

必须对他实施手术。

So it is necessary to research its reservoir engineering theory and production performance.

这使得深入研究水平井的油藏工程理论，准确把握其生产动态成为必要。

It is necessary to set down these additional rules.

有必要制定这些补充规则.

To achieve development at the primary stage of socialism and advance China's socialism from the primary stage to a higher one, it is necessary to fully build a modern socialist China and basically realize socialist modernization.

全面建设社会主义现代化国家、基本实现社会主义现代化，既是社会主义初级阶段我国发展的要求，也是我国社会主义从初级阶段向更高阶段迈进的要求。

It is necessary to revise the original plan.

原计划须加以修改。

In this case it is necessary to cancel the Party planned for june16th.

既然如此，那就必须取消原定于6月16日举行的聚会。

Therefore, it is necessary to reform the system from legislation.

因此，对现行民事行政检察监督制度从立法上进行改造确有必要。

It is necessary for us to think of others and be considerate to them.

我们有必要考虑别人,为他人着想。

So it is necessary to provide a system of quality evaluation.

因此，急需提供一个质量评价体系予以规范。

Therefore it is necessary to explore further more scientific measurement methods based on these models.

因而很有必要在此基础上，进一步探索更为科学的计量模式和方法。

Therefore, it is necessary to make a systematic study of the charges.

因此，有必要对港口使费进行系统的研究。

It is necessary to examine how the proposals can be carried out.

有必要调查一下怎样才能实施这些方案。

That's why my people don't think it is necessary to learn a foreign language.

这就是为什么我们国家的人认为没必要学习一门外语的原因。

It is necessary to call attention to this fact.

有必要唤起人们注意这个事实。

So, it is necessary to take effective measures to control the temperature.

因此，采取有效的温控措施是十分必要的。

It is necessary to remove plaque by brushing one's teeth.

需刷牙以去除牙斑.

It is necessary and possible to lead the concept of sparsity into of labor value.

将稀少性的概念引入劳动价值论既有必要,也有可能.

Therefore it is necessary to analyze the financial derivatives risk.

因此本有必要探讨金融衍生品风险。

It is necessary to fix a definite date for the submission of your paper.

有必要为你的论文提交定一个确切的日期。

It is necessary to guard against disastrous fires when burning wild bushes and weeds.

放荒时一定要提防火灾。

It is necessary for someone to have an unprotected sleep after staying up late or working late.

在熬夜、加夜班的情况下，睡回笼觉是必要的。

It is necessary to get the youth to have a high ethical concept.

必须使青年具有高度的道德观念.

It is necessary and exigent to enhance the management of construction material.

加强建筑材料管理工作是进行造价控制的迫切需要；