但是，对于该基因启动子上游的负调控元件(negative regulatory element，NRE)调控机制研究的报道甚少。
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监控元件 [自] monitoring element
末控元件 final control element ; final controlling drive
调控元件 controlling element ; regulatory element ; regulation element ; WPRE
顺式调控元件 cis-regulatory element ; cis-regulating element ; Cis-acting Elements ; cis-regulatory modules
光控元件 [电子] light-dependent control element
受控元件计算机 controlled element computer ; CEC ControlledElementComputer
自控元件 automatic component
上游调控元件 Upstream regulatory elements ; upstream control element ; UCE
机械末控元件 [自] mechanical final control element
航天器在地面待发射期间加空间实际飞行过程中，热控元件OSR要遇到各种地面和空间环境。
Thermal control material OSR's have to meet a variety of ground and space environments during ground storage and space flight of space vehicles.
考虑到我国GTO研制和应用的现状，用GTO作为辅控元件，可以达到用容量较小的GTO来控制容量较大的晶闸管的目的。
Considering our country's present fact in GTO's research and application, we use GTO as a aid-controlling element. So, a large thyristor can be controlled by a small GTO.
本文提出了一个补偿元件的有源补偿反相压控电压源（VCVS）。
An active compensated inverting VCVS is proposed which has only one compensation element.
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