1·Military action may become necessary.
军事行动可能会成为必要。
—— 《柯林斯英汉双解大词典》
2·She searched her desk for the necessary information.
她在她的书桌里搜寻必要的资料。
—— 《柯林斯英汉双解大词典》
3·"We will take the necessary steps," she said sternly.
“我们将采取必要措施，”她严厉地说道。
—— 《柯林斯英汉双解大词典》
4·We are still looking for someone who combines all the necessary qualities.
我们仍在寻觅兼备所有必要才能的人选。
—— 《牛津词典》
5·They are not afraid to tackle the issues or let the sparks fly when necessary.
他们不怕应付这些问题, 必要时也不惜进行唇枪舌剑的激烈争论。
—— 《柯林斯英汉双解大词典》
1·They've been deprived of the fuel necessary to heat their homes.
他们无法得到住房取暖必需的燃料。
—— 《柯林斯英汉双解大词典》
2·Reorganization is necessary on the distributive side of this industry.
此行业的产品分配环节必需重组。
—— 《柯林斯英汉双解大词典》
3·Too many people had too little patience for the grunt work necessary for long-term success.
太多的人都没有耐性为以后的成功去做眼下必需的苦差事。
—— 《柯林斯英汉双解大词典》
4·I think, maybe that was necessary because it's an important relationship.
我认为，可能那是必需的，因为这层关系太重要了。
5·These software objects would contain all the necessary business rules and would understand the business processes that should be followed.
这些软件对象将包含所有必需的业务规则，并且理解应该遵循的业务流程。
1·Digital watt-hour meter is the necessary equipment with increasingly wide application while it is necessary realization of quantity traceability.
数字式电能表是必备设备，应用越来越广泛，实现量值溯源是非常有必要的。
2·Absentee Managers - who would not step in at all irrespective of whether the team has all the necessary skills to tackle the problem.
缺席的管理者：不管团队是否解决问题的全部必备能力，这一类管理者都不会介入。
3·Several countries, including America, Britain, China, France, Israel, Japan and Russia, are thought to possess the necessary technology.
几个国家（包括美国、英国、中国、法国、以色列、日本及俄罗斯），被认为拥有这种必备技术。
4·First though, I'll give some necessary background with a look at the internal form of class names and the field and method descriptors used by the JVM.
首先将介绍一些必备的背景信息，以使您了解类名称的内部结构及JVM所使用的字段和方法描述符。
5·The pace of modern life makes stress management a necessary skill for everyone.
现代的生活节奏使得压力控制对于每个人来说都是必备技能。
1·Some forethought and preparation is necessary before you embark on the project.
你着手进行这个项目之前必须有所考虑，有所准备。
—— 《牛津词典》
2·They are only doing what is necessary to prevent wholesale destruction of vegetation.
他们只是在做为防止植被遭大规模破坏而必须做的事情。
—— 《柯林斯英汉双解大词典》
3·Some immediate action was necessary—but what?
必须立即采取行动——但应该采取什么行动呢？
4·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》
5·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。
1·Lunch containers were not necessary for school kids in cities.
午餐盒对于以前在城里上学的孩子来说并非必需品。
2·The large size of the settlements made improving processing and storage of necessary food difficult.
移民点的巨大规模让优化食物必需品的加工和储存变得困难。
3·Humus is necessary for rapid decomposition of leaves by bacteria and fungi and for recycling by surface roots.
腐殖质是树叶被细菌和真菌迅速分解和根部表面循环过程的必需品。
4·And California's voters have, in ballot measures over the decades, made all money matters more complicated than necessary.
在过去的十年间，加利福尼亚的选举人采取的选举措施致使所有的借贷事件比必需品还复杂的多。
5·Anyone can make the decision to do without the necessary, to cut off cable TV, to consider doing without a car, to only buy what's absolutely necessary and to rethink what's necessary.
每个人都可以做出缩减必需品的决定：剪断有线电视，卖掉小车，只买非买不可的东西，并且重新考虑哪些东西是非买不可的。