Our knowledge regarding the effects of ionizing radiations is still meagre.我们关于电离辐射效应的知识仍很不足.Dense gas serves to reduce the ionization, because it absorbs the ionizing soft x rays.因为浓密气体吸收掉了使其电离的软x射线,因此能减少电离.Nucleon and ...
我们把木板从中间锯开，用作架子的背板。We split the boards down the middle to use them for the back of the shelves.高效率的热交换和背板通气孔保证了最大空气流量.High - efficiency heat exchange and rear panel air vents ensure maximum air flow.圆柱''.'...
Dense and bright electroplates were obtained from these baths.从所研制的镀液中得到了致密、亮的锌镀层.This article electroplates aluminum on the substrate of 08 F steel and AZ 91 D magnesium alloy.本文在08F钢和AZ91D镁合金上采用电镀铝的方法获得了铝镀层....
Listening to it in its entirety is also fairly unrewarding.把它完整地听下来后还是没多少收获。Yet over the past year or two, I have found my obsession increasingly unrewarding.但近一两年来, 我发现自己的这种执著已变得越来越不值得.Lectures often seem very formal an...