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....
几次延误都是由新的高科技行李传送系统造成的。Several of the delays were caused by the new high-tech baggage system.科技发展意味着许多医学衍生职业的增长。Scientific development meant the growth of numerous professions ancillary to medicine.请附上汇款，支票收款人为泰晤士河谷科技公司。P...
Of course, literacy isn't the same thing as intelligence.当然，识字和智力是两码事。Political selection is more dependent on sophistry and less on economic literacy.政治选举更多地取决于诡辩的能力，而不在于是否懂经济。Six months later John had developed li...
The linnet chirps her vernal song.红雀吱喳鸣叫着她春天的歌.When I was questioning Louise Beauchain in Linnet Doyle's cabin.当我在林内特·多尔的舱里询问路易丝·碧翠时.The linnet is a small brown songbird.红雀是一种棕色会叫的小鸟....
The students had a grasp of decimals, percentages and fractions.学生们掌握了小数、百分数和分数。Continuous data can be expressed in either fractions or whole numbers.连数资料可以用分数表示,也可以用整数表示.Erodible soil fractions are usually dislodged fro...