极其重要

It is necessary and signficant to control manufacturing processes more adaptively and effectively for the development of CIMS.

制造过程的自适应有效控制对CIMS的发展具有极其重要的意义。

This subset is hyporesponsive and anergic to antigen stimulation. Recently, it has been demonstrated to participate in the immune deficiency in human immunodeficiency virus infection and has close relationship with the development of acquired immunodeficiency syndrome. Meanwhile, the CD4(superscript +)D25(superscript +)Treg is also infected when the human body is invaded by HIV. The CD4(superscript +)CD25(superscript +)Treg will finally be killed by the mechanism of antibody-dependent cell-mediated cytotoxicity. Because of the decrease of the CD4(superscript +)CD25(superscript +)Treg, it can't function as a immune suppressor as a result of the excess of activation of HIV and gradually exhausting of the T cell, which shows that the CD4(superscript +)CD25(superscript +)Treg plays a inhibitory role in the different stages of the development of the HIV as well as different effects in the pathogenesis of AIDS.

它能够抑制自身免疫病的发生和发展，参与肿瘤免疫的调节，同时在感染和移植免疫中也发挥着极其重要的作用。T细胞的这一亚群具有免疫调节和免疫抑制的特性，新近发现它亦与爱滋病的发生、发展关系密切HIV进入人体后，CD4D25调节性T细胞抑制了机体的免疫效应但它也同时被感染，最终由于细胞毒的作用而死亡由于调节性T细胞数量的减少不能有效的发挥其抑制作用，HIV持续的过度活化使得T细胞逐渐耗竭说明在HIV发生、发展的不同阶段Treg细胞可能都发挥了免疫抑制作用，但是却对HIV感染与爱滋病发病的进程产生了不同的效应。

The police perform avital role in our society.

警察在我们的社会中起着极其重要的作用。

Terms of the people's exchanges,communication plays avital role.

网站对人们的交流、沟通起着极其重要的作用。

This paper researches the basic principle of fuzzy retrieval on multimedia data semantics, designs a fuzzy reasoning mechanism of Agent knowledge base, puts the fuzzy algorithm wich reasoning is forward or backword,and relevant implementation is presented as well.

引 言目前计算机科学的许多研究正沿着&智能化&的方向发展，多媒体数据库的复杂查询正面临着新的挑战〔1〕。因此，将语义学、多 Agent系统、知识库、模糊理论、人工智能等领域知识综合，运用于多媒体数据库数据语义的模糊检索，有着极其重要的研究意义。

In the past national economic construction, Natural Betula L stands once played an important part.

在以往的国民经济建设中，桦树天然林曾发挥了极其重要的作用。

Marine bacteria play a great role in theoccurrence and declination of red-tide based on their population diversity biophysiological andbiochemical character diversity, ecological function diversity and heredity diversity Thus,bacteria-alga relationship has been a hotspot in red-tide research.

海洋细菌由于其本身的种群多样性、生理生化类群多样性、生态功能多样性、遗传特征多样性等特点以及同赤潮藻类错综复杂的生态关系，在赤潮生消过程中有着极其重要的作用，细菌杀藻现象为微生物防治赤潮提供了可能途径，因此菌藻关系已经成为当前赤潮研究的重点和热点。

That is why it is vital to be able to produce the two chiral forms separately.

这就是为什么分别生产两种手性形式是极其重要的。

The determination of the absolute configuration of chiral molecules is an important issue in organic chemistry.

手性分子绝对构型的确定是一个极其重要且长期存在的问题。

Therefore,the improvement to the coast of Jiangsu is going to whole country of saline alkali land, protect a circumlittoral pool ecosystem environment, greenery and beautification seashore city, raise the peoples economic income,to which, the enlarging developments of making use of this new speices will contribute greatly.

因此，加大开发和利用这一杂交柳品种资源，对改良江苏沿海乃至全国的盐碱地，保护沿海滩涂的生态环境，绿化美化海滨城市，提高人民的经济收入，将发挥极其重要的作用。

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。