chemical regulating substance 化学调控剂
chemical regulating technique 化学调控技术
plant growth regulating chemical 植物生长调节剂
University of California, Irvine researchers have identified the chemical switch that triggers the genetic mechanism regulating our internal body clock.
加州大学欧文分校的研究人员找出了调节我们内部的生物钟遗传机制化学触发开关。
For though life can certainly evolve in oceans, as it did on Earth, it probably needs the chemical and climate-regulating contributions of continents to do so.
虽然生命的确可以在海洋中进化，就像在地球上那样，它也许需要大陆贡献的化学和气候变化来促进之。
Enzyme: Substance that ACTS as a catalyst in living organisms, regulating the rate at which life's chemical reactions proceed without Being altered in the process.
酶：在活性生物体中起催化剂作用的物质，它调节化学反应中的反应速率而自身不被改变。
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