必不可少

Therefore, it is necessary, in design stage, to make researches on the reliability of the structures under wind, which has been verified by the collapse of the Tacoma Narrows bridge in U.

因此在进行大跨径桥梁的结构设计时，研究该结构在风力作用下的安全性是必不可少的。

Good attendance is necessary in order to progress in both the art and sport of tae kwon do.

良好的出勤对跆拳道精神和技法的提高都是必不可少的。

Tanker in the operation of the process of washing is essential in a very important part.

洗舱是油船在营运过程中一个必不可少的、非常重要的部分。

Coffee or tea and a slice of cake at a refined spot like Cafe Central is an essential Viennese experience.

咖啡或茶和切成薄片的蛋糕在一处优雅的地方像咖啡中心是一个必不可少的维也纳经历。

American law teachers serve no formal apprenticeship before their appointment and they are often drawn from the practicing bar.their most common titles are assistant professor,associate professor,and professor.although graduate law study or a period as a teaching fellow is not uncommon as preparation for a teaching career in law,neither is essential nor even usual.

美国法律教师为他们的任命之前没有正式的学徒，他们往往从实践bar.their最常见的标题是助理教授，副教授，研究生和professor.although法律研究或作为教学研究员期内所得并不罕见的准备为在法律教学生涯中，无论是必不可少的，甚至也不usual。

The patent merchandise quotation is an essential to the management of patent technocracy work.

在专利技术管理工作中"专利商品估价"工作是必不可少的。

The student's dormitory management is an extremely tedious work, but also is a university essential part.

学生宿舍的管理是一项非常繁琐的工作，但又是高校必不可少的一部分。

The telecommunications industry is the foundation of the national economy and industry.

电信产业是国民经济的基础性产业，对国民经济的发展起着必不可少的支持。

In order to track and telemeter the lunar probe, the correlative parameters must be obtained.

对月球探测器进行实时测控，获得探测器的各项参数是必不可少的工作。

As a necessary debug tool in the development and application of digital television, DTV monitor and analysis device will be broadly applied to device manufacture, network installation, monitor of service running status and so on. So it is necessary to research and develop DTV monitor and analysis device.

数字电视监测分析设备是数字电视开发和应用中必不可少的测试和调试工具，在设备的制造、网络的安装、广播业务的正常运行监控等领域中将有广泛的应用，因此各种数字电视监测分析设备的研制和开发是十分必要的。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。