1. It is necessary, I think, to head up the chapters.
我认为给每一章都加上个标题是很有必要的。

《21世纪大英汉词典》

2. You can hive off some of the work to us if necessary.
如果必要的话,你可以把部分工作分给我们做。

《21世纪大英汉词典》

3. Constant vigilance is necessary in order to avoid accidents.
为了避免意外事故,必须经常保持警惕。

《新英汉大辞典》

4. Retrenchment will be necessary.
有必要进行紧缩。

www.kfyes.com

5. We consulted the original and made some necessary changes.
我们参照原文作了必要的修改。

《新英汉大辞典》

6. Of course, you should only do this if it is absolutely necessary.
当然,如果这是完全必需的,就只能这样做。

www.ibm.com

7. All that is necessary as well, but it is beyond the scope of this process.
所有这些问题都是必要的,但其并不在此流程的范围之内。

www.ibm.com

8. You want your code to be only as complex as necessary.
您想要您的代码复杂性仅仅是您必需的。

www.ibm.com

9. Do they have the necessary skills to support the solution?
他们有支持这个解决方案的必要技术吗?

www.ibm.com

10. In the meantime, let us study things which are no more. It is necessary to know them, if only for the purpose of avoiding them.
在此期间,让我们研究研究那些已经不存在的东西,认识那些东西是必要的,即使仅仅是为了避开它们。

www.ebigear.com

11. Take care of your car, because you drive the car and you need it every day. The car is necessary for you.
所以好好照顾自己的车,因为车子是你在开,你每天都需要用到车,它是你的必需品。

www.ebigear.com

12. Why is it necessary?
为什么它是必须的?

article.yeeyan.org

13. In order to convert hearers into listeners, you need to know why they should listen to you –and tell them if necessary.
为了把听众转换成倾听者,您需要了解他们为什么需要听您的演讲----如果必要您可以告诉他们。

article.yeeyan.org

14. But beyond what is necessary for these purposes, there will be no invasion, no using of force against or among the people anywhere.
但为了这些目标所必须的之外手段将不会涉及,政府也不会使用强制力量反对或离间任何地方的人民。

article.yeeyan.org

15. But still I wonder whether all the control is necessary.
不过我还是怀疑所有这些控制是否必要。

www.kekenet.com

16. A certain degree of speculation should not only be allowed but also necessary.
一定程度的房地产投机不但应该允许,而且是必要的。

article.yeeyan.org

17. It may not be necessary, as I have suggested, but I take no position on that question.
正如我指出的那样,或许是没有修宪的必要的,但我在此不就这一问题表态。

article.yeeyan.org

18. You can help your children to gain the concept that soil is not just dirt but something necessary for life.
你可以帮助你的孩子获得这样一个概念:土壤不仅仅是“泥土”,而且是生活必需的东西。

www.hjenglish.com

19. So, with this information entered, you have provided all the necessary deployment information, and your deployment configuration should resemble the one shown in Figure 5.
这样,输入这些信息后,会给您提供所有必要的部署信息,而且您的部署配置应该类似于 图5所显示的那样。

www.ibm.com

20. Once you have the necessary information, you can begin with design.
一旦得到了必要的信息,就可以动手设计了。

blog.sina.com.cn

21. Why is this necessary?
为什么是必须的?

blog.sina.com.cn

22. What kind of resources are necessary and in what amount.
何种资源是必需的,以及需要多大的量。

www.ibm.com

23. Do you have the necessary skills?
我具有必要的技能了吗?

article.yeeyan.org

24. There’re some professional teachers and they can guide you to do certain necessary exercise.
那里有一些专业的教师,他们可以指导你做一些必要的练习。

www.hxen.com

25. At IBM, we have built verification and logging directly into our widget classes, so those additional lines of code are not necessary when using our version of the widget classes.
在IBM,我们已经将验证和记录直接构建到窗口小部件类中,所以在使用我们的窗口小部件类版本时,不需要那些额外的代码。

www.ibm.com

26. At IBM, we have built verification and logging directly into our widget classes, so those additional lines of code are not necessary when using our version of the widget classes.
在IBM,我们已经将验证和记录直接构建到窗口小部件类中,所以在使用我们的窗口小部件类版本时,不需要那些额外的代码。

www.ibm.com

27. Are instructions necessary?
指令是否必要?

-- 来源 -- About Face 3交互设计精髓

28. Both of these devices also make use of thumb-boards when text data entry is necessary.
其中设备还采用了拇指板,当需要输入文本时就可以派上用场了。

-- 来源 -- About Face 3交互设计精髓

29. Necessary rooms
必要的房间

-- 来源 -- About Face 3交互设计精髓

30. This is a necessary part of the process and shouldn’t be short-circuited.
这是这个过程的必要部分,不应该缩短。

-- 来源 -- About Face 3交互设计精髓

31. Scrolling of any kind should also be avoided on kiosks except when absolutely necessary.
另外,滚动操作也要尽可能的必要,除非是非常必要。

-- 来源 -- About Face 3交互设计精髓

32. Because market research can help identify an opportunity, it is often the necessary starting point for a design initiative.
市场研究有助于确定市场机会,常常是设计活动必不可少的起点。

-- 来源 -- About Face 3交互设计精髓

33. It is important that both these idioms are available, as the former is necessary to scale the image in proportion, whereas the latter is necessary to fine-tune the shape.
这两种习惯用法都很重要,前者用于按比例调节图像;后者用于精细调节图像形状。

-- 来源 -- About Face 3交互设计精髓

34. The function and behavior of the product must address goals via tasks—typically, as few tasks as absolutely necessary.
产品的功能和行为必须通过一系列任务来达到目标,通常任务尽可能越少越好。

-- 来源 -- About Face 3交互设计精髓

35. Process, patterns, and principles are necessary, but not sufficient, for a successful interaction design project.
对于交互设计项目的成功,过程、模式和原则是必要的,但不是充分的。

-- 来源 -- About Face 3交互设计精髓

36. Rather, it supports a necessary condition—trustworthiness—on the way to a real goal.
而是在达到实际目标的过程中提供了一个必要条件,即信任。

-- 来源 -- About Face 3交互设计精髓