Bed material samplers, as first developed , may be divided into three types.最初的河床质取样器有三种类型.In this paper the performance of two kinds of samplers sintered metal filter is evaluated.本文介绍温、湿度变化对两种改进型被动式活性炭累积氡采样器吸附性能的影响....
As one grows older one's memory declines.一个人的记忆力随着年老而衰退。Hearing sensitivity declines with age.听觉因年老而衰退.The hill declines to the river.山脚向着河畔倾斜。Futures prices recovered from sharp early declines to end with moderate ...
可能还不是即时的对流感的镜像反映.And that may not necessary near necessarily mirror disease at the time.不过到最后, 即时的满足感更令人满足吧.And in the end, it's more gratifying because it's instant gratification.这种即时的信息交流被称为摩斯代码.This type of ...