其机制可能是，细胞巯基耗竭，使鸟苷酸环化酶活性降低，致血管平滑肌松弛作用减弱。
The mechanism is probably that the consumption of cell mercapto lowers the activity of guanylate cyclase, thus weakening the slackness of blood vessel's smooth muscles.
抗高血压药物常常会激活某些反馈机制，导致其降压作用的减弱。
The blood pressure-decreasing effect of antihypertensive drugs is often blunted because of the activation of feedback mechanisms.
试验的三种透水率桩坝，其导流效果与实体丁坝群的基本相同，并未因部分透水及形态不同而使其控导作用明显减弱。
Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike,.
试验的三种透水率桩坝，其导流效果与实体丁坝群的基本相同，并未因部分透水及形态不同而使其控导作用明显减弱。
Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike.
细胞生长受抑，增殖能力减弱，其抑制作用具有序列特异性及剂量依赖性。
The growth of cells was repressed and the ability of proliferation decreased.
随着来流速度的增加，等离子体的作用效果有所减弱，通过提高电极电压来提高电场强度，可以有效的提高其作用效果。
With the rise of the incoming flow velocity, the plasma effect decreases. So in order to obtain an effective flow control using plasma, the intensity of the electric field must be strengthened.
在一部影片中这类镜头如果太长、太多，也会减弱其独特的感染作用。
In a film of such lenses, if too long, too much will weaken its unique infection.
在一部影片中这类镜头如果太长、太多，也会减弱其独特的感染作用。
In a film of such lenses, if too long, too much will weaken its unique infection.
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