必不可少

Accordingly, information survey ought to be transfer of technology indispensable prelusive.

因此，信息调研应当是技术引进必不可少的前奏曲。

There is no substitute for good preparation.

充分的准备是必不可少的。

When we start designs in front of the clothing the preparatory work are essential.

当我们开始设计服装之前的准备工作是必不可少的。

Food, water and air are essential to life/for the preservation of life.

食物、水和空气对生命是必不可少的。

A tire pressure gauge is also an essential part of keeping your tires at the optimum pressure.

轮胎压力计也是一个必不可少的组成部分使您的轮胎在最佳压力。

This apparatus consists essentially of a flow meter, a pressure gauge.

这个装置有一个必不可少的流量计，一个压力表。

And the prosperously developed modern information technology mainly depending on computers and Internet has been the indispensable technical foundation for the informationalization of science and technology.

而当今蓬勃发展的以计算机和网络为主导的现代信息技术是科研现代化必不可少的技术基础。

This last proviso is of course indispensable.

这句话中的但书部分当然是必不可少的。

The second presentation will review the good clinical practice guidelines that must be followed in order to facilitate the emergence of a pharmaceutical research facility in an emerging nation. The goal of this talk is to present a primer of the key components necessary for a successful psychopharmacology research site.

第二篇论文将对一些实用的临床实践指南进行综述，为了促进在新兴国家建立药物研究机构必须遵循这些指南，本文讨论的目的在于提供一个囊括某些关键因素的引子，这对于建立一个成功的精神药物科研机构来说是必不可少的。

The halfway bus station is essential public infrastructure for transit system to achieve its service.

公交中途站是公交系统实现其服务必不可少的公共基础设施。

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。