At present the cause of the SAA research focus mainly concentrated in the abnormal t cell subsets, a negative regulator of level changes and apoptosis, are reviewed on research in these areas.

目前对saa病因的研究热点主要集中在t细胞亚群的异常、负性调控因子水平的改变、细胞凋亡等，现就这些方面的研究进行综述。

youdao

It precludes a level of trust and open communication between regulated and regulator.

这使得被管理者与管理者之间失去了信任和开放式的沟通。

youdao

The primary function of a regulator is to reduce high-pressure gas in a cylinder or process line to a lower, usable level as it passes from the cylinder to a piece of equipment.

调整器的主要功能是，当钢瓶或过程管道内的高压气体从钢瓶流向设备时，把压力降到较低的可用的水平。

youdao

The organization argues that a single, optional regulator would establish a uniform level of consumer protection, it would give consumers faster access to a broader range of insurance products and it could increase competition in the marketplace.

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We like the timing with an era of new top level domains driven by entrepreneurs getting underway in 2011-13 under the guidance of regulator ICANN.

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The report urged industry regulator Ofcom to ensure ITV keeps providing its current level of programmes specifically for audiences in Wales until at least digital switchover is completed in 2012.

BBC: Wales is 'invisible nation' on TV