Adrenergic inhibitors selectively reduce sympathetic tone.肾上腺素抑制剂有选择地降低交感神经的紧张度.Probably are two different kinds of the pre - and posts synaptic membranes of adrenergic nerve separately.可能与肾上腺素能神经突触前膜和突触后膜分别存在的两类不同性质的作用点...
它们还分泌蜡质的透明物质,称作角质.They also secrete a waxy, transparent substance called cutin.里边是一种绿色的软膏, 有蜡质的光泽, 气味浓郁,而且经久不散.Inside was a green paste, waxy in lustre, the odour curiously heavy and persistent.有些蚜虫,看来喜欢有蜡质的叶片, 而这种叶片对另一些...
A layer of hot - dipped galvanizing causes a considerable reduction in the fatigue strength.热 浸镀 锌层引起疲劳强度的显著降低.This picture shows the view from a car using normal dipped lights.这幅图片显示的是从一辆使用正常近光灯的汽车上所看到的景色。The stock-mark...