对...必不可少

This week Dr Townsend, and others involved in something called the International Nitrogen Initiative, are meeting in Paris to try to organise an international assessment of what is going on.

科研人员之间的研讨也是研究过程中必不可少的一个步骤，就和BS差不多，亮出自己的观点，深层次的讨论对科学发展益处多多。

The semantic descriptive method used in this dissertation has the following characteristics: First, the traditional input-output function is replaced by trace valued function as the denotation of programs. It helps to explain the process of program execution and thus facilitate programming and debugging. It is indispensable in the formal description of interactive languages.

本文采用的语义描述形式有如下几个特点：一是用时迹函数代替传统的输入输出函数作为程序的指称，这有助于揭示程序的执行特征，对具体的编程实践尤其是程序调试具有较好的指导作用，对于交互式程序的语义刻划更是必不可少的手段。

It is the transmutation process that is also necessary to ascension.

转化过程对提升而言也是必不可少的。

Essential part of a class and gameplay ala paladin's warhorse, or only there for travelling and carrying all the loot?

特别对某些特殊职业来说是必需的，比如圣骑士会需要战马，在Travel和搬运东西时，坐骑也是必不可少的。

Soil is a notable controlled object as carrier of water and nutrients required by plant growth and development, and reasonable treatments of it are closely related with drought resistance.

干旱条件下培育人工植被，采取适当的抗旱措施是必不可少的，其中作为植物生长发育所需水分、营养的载体，土壤是显著的可调控对象，对其合理处置与抗旱有着密切的关系。

Aby wipes, even after they are past using diapers, are indispensable for all kinds of messes.

ABY擦布，对所有孩子们来说，出现乱糟糟的状况的时候，都是必不可少的，就算是他们们已经过了用尿布的时期。

Early diagnosis of the disease and rapid identification of resistance to primary antituberculosis agents are essential for efficient treatment and control of multidrug-resistant strains.

因此，对主要抗结核药物如利福平的耐药性快速检测对于有效治疗结核病和控制耐多药株的流行是必不可少的。

This paper sets out to make a contribution to the definitional and relationship discourse surrounding the creative industries because it is essential to any public or private sector policies aimed at engaging with these businesses.

本文旨在为创意产业的概念界定贡献一己之力。这是因为，概念和关系的界定对政府制定与创意产业相关的产业政策必不可少。

It has been proved that TR mutation was related to dyskeratosis congenita, and TR could function as the template in telomere DNA synthesis.

并且对细胞分裂等细胞学事件必不可少，已证明TR 突变与先天性角化不良等疾病相关。

We find that if we want to be a energic competitor and leader ,we must attach importance to the company's management of labor power's development and cultivation .

联想就是通过对人才的开发与培养来保证强劲的竞争优势，如采用各种培训措施来增加员工的自身价值，采用各种激励措施来鼓励员工等，这些都是企业做好人力资源管理工作必不可少的。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。