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。
It is necessary that we weigh the pros and cons of including English words in Chinese dictionaries.
权衡在汉语词典中加入英语单词的利弊，这对我们来说是很有必要的。
It is necessary that a critic develop a sensibility informed by familiarity with the history of art and aesthetic theory.
批评家必须在熟悉艺术史和美学理论的基础上培养一种感性。
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。
To understand why they are doing it, it is necessary to know where they are coming from.
要理解他们为什么这样做，有必要知道他们的想法。
Don't call him unless it is necessary.
除非有必要，否则不要给他打电话。
It is necessary for developing a strong working spirit.
培养强烈的劳动精神很有必要。
It is necessary for you to read all instructions carefully before every experiment.
你有必要在每次实验前仔细阅读所有的说明。
It is necessary for schools to satisfy the need of all the students' development.
学校有必要满足所有学生的发展需要。
It is necessary to read the labels on the foods in a shop as well.
阅读商店里食品的标签也是必要的。
It is necessary to learn to manage time and make good use of every minute.
有必要学会管理时间，好好利用每一分钟。
Remember that forgiveness does not mean it is necessary to become friends again with the person who upset you.
记住，宽恕并不意味着你必须和惹你心烦的人再次成为朋友。
It is necessary for students to learn some team skills like developing relationships, communicating well with others and solving problems.
对学生来说，学习一些团队技能是必要的，比如发展人际关系、与他人良好沟通和解决问题。
"It is necessary to encourage kids to come up with new ways to make use of technology in school life," the head of the school added in the interview.
“有必要鼓励孩子们想出新的方法，在学校生活中利用技术。”该校负责人在采访中补充说。
It is necessary to provide specific praise about actual actions performed and efforts made in the process.
对过程中的实际表现和付出的努力给予具体表扬是有必要的。
It is necessary to give others rights and chances to speak since the problem may concern them in different ways.
给别人说话的权利和机会是必要的，因为问题可能以不同的方式影响到他们。
In common with many of my classmates, I think it is necessary to update the multimedia equipment in the classroom.
和我的同学们一样，我认为有必要更新教室里的多媒体设备。
It is necessary for us to build a good working relationship with our partners without whom we cannot accomplish anything.
与搭档建立良好的工作关系非常有必要，因为没有他们我们什么事情都完成不了。
In addition, it is necessary to apply for graduation when you near the time that you will be completing your graduation requirements.
此外，当你快要满足毕业要求的时候，有必要去申请毕业。
In addition, it is necessary to apply for graduation when you're near the time that you will be completing your graduation requirements.
此外，在你即将完成毕业要求的时候，有必要去申请毕业。
To establish such a chronology, it is necessary to determine the relative amounts of land ice that existed at various times in the Earth's past.
为了建立这样一个年表，有必要确定地球过去不同时期存在的陆冰的相对数量。
To compare the compositions of a meteorite and the Sun, it is necessary that we use ratios of elements rather than simply the abundances of atoms.
为了比较陨石和太阳的成分，我们需要利用元素的比率，而不单单是原子的丰度。
One researcher shares Glenn Schellenberg's view that it is necessary to conduct long-term developmental studies to understand the effects of music training.
一位研究人员赞同格伦·舍伦贝格的观点，认为有必要进行长期的发展研究，以了解音乐训练的效果。
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.
相关公司和国家机构有必要考虑一下这些潜在变化的伦理后果，为所有人创造更美好的未来。
It is necessary to differentiate between two kinds of fights.
有必要区分一下两类不同的比赛。
It is necessary for the particular module, but will not be needed most of the time.
这对特定的模块是必要的，但是大多数时候都不需要。
To accurately assess housing affordability it is necessary to have complete data.
要准确计算住宅购买力，完整的数据必不可少。
For 32-bit applications, consider if it is necessary to migrate to a 64-bit version.
对于32位的应用程序来说，要考虑是否有必要迁移到64位的版本。
Since you can "t do this on the client side it is necessary to validate on the server."
由于无法在客户端完成这一任务，因此在服务器上进行验证是有必要的。
Since you can "t do this on the client side it is necessary to validate on the server."
由于无法在客户端完成这一任务，因此在服务器上进行验证是有必要的。
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