不可缺少

Behavioral tests have significant value in research of higher functions of brain, especially in neurophysiology and neuropharmacology.

行为实验是研究脑高级功能不可缺少的重要手段，在神经生理学、神经药理学等研究领域具有重要地位。

We can say that neutron scattering is an important and necessary complement for X-ray diffraction and electronic diffraction.

中子散射可以说是对X射线衍射和电子衍射的一个重要的和不可缺少的补充。

Normative statements and norms , as well as their meanings, are an integral part of human life.

规范性陈述和规范，以及它们的意义，是人类生活不可缺少的部分。

And the numerical control lathe and its system have become an important part in modern manufacturing industry.

而数控车床已经成为现代机器制造业中不可缺少的组成部分。

Both fresh air and clean nutriment are indispensable to us.

新鲜空气和干净的食物两者对我们是不可缺少的。

Recently, flow cytometry becomes one of the obbligato tools in the procedure of diagnosis of hematological malignant tumors and has been widely used in clinical test.

流式细胞术已成为诊断血液系统恶性肿瘤不可缺少的工具，广泛应用于白血病的临床检测。

When an end is lawful and obligatory, the indispensable means to it is are also lawful and obligatory .

一个合法的义不容辞的结果，那么它不可缺少的意义必然也是合法的义不容辞的

University campus open space landscape design is our new campus landscape design study an indispensable part of.

大学校园开放空间景观设计是我们对于新型校园景观设计研究中不可缺少的一部分。

In terms of the development of computer technology, finite element method and mathematical programming, the optimum design of structures has experienced fast growth both in the theory and techniques, and become necessary tools in modern design.

藉助于计算机技术、有限元方法和数学规划等学科领域的发展，经过几十年的研究，结构优化设计的理论和方法已取得了长足的进展，并已成为现代设计方法中不可缺少的工具。

Living water is an element in human's life, it osculation with everyone in the world.

摘 要：生活饮用水是人类生存不可缺少的要素，与人们的日常生活密切相关。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。