the student on duty today has done a really good job, and is worthy of praise.

the student on duty helped the lecturer hang up a diagram of the human body on the blackboard.

值勤学生帮助演讲者在黑板上挂了一幅人体的图表。

we have made it a rule for the student on duty to tell the daily news.

我们制定了一个规则，由值日生用英语讲每日新闻。

the precise location of high-voltage transmission line fault is of great significance and practical engineering value.

高压输电线路故障的准确定位具有非常重要的意义和工程实用价值.

a set of programs that detects faults in a program or circuit under development.

一组用于检测正在研制中某程序或线路故障的程序.

this paper presents a fault location algorithm for hv transmission line based on two-terminal asynchronous data.

提出了一种基于双端不同步采样数据的高压输电线路故障测距算法.

the alchemical texts richard mentioned were three 16th-century folio editions.

理查德提到的炼金术文本是三本16世纪的对开本版本。

now, let budongzhuangdong search of geometric growth level.

现在, 搜索让不懂装懂的人呈几何级增长.

spore mother cell a cell that gives rise to four haploid spores by meiosis.

可以发生减数分裂产生四个单倍体孢子的细胞。

tetrad 1. a group of four cells formed as a result of meiosis in a spore mother cell .

1由孢子母细胞减数分裂产生的一组四个细胞。

he is a quick worker.

快的，迅速的

he' s a quick worker-he has finished already.

他是个做事麻利的人――他已经干完了。

his father is a quick worker.

他父亲是个行动敏捷的工人。

waste treatment with cycle of matter in the earth

废物处理与地球物质循环

energy cycle of matter and protection and construction of urban environment

物质能量循环与城市环境保护和建设

tuberculosis of intrathoracic lymph nodes

胸内淋巴结结核

human diploid cell rabies, hdcv

人体二倍体细胞狂犬疫苗

thou art not stone; but already hast thou become hollow by the numerous drops.

你不是石块，可是许多雨点已经滴穿了你。

the choice and successful pursuit of a profession is but one tool for achieving your purpose. but without a purpose, life can become hollow.

对于职业的选择和追求是实现你们目标的一个工具，但是假如没有一个目标，生活会变的空洞。

avoid retempering concrete to increase slump prior to placement.

避免在放置之前重新混合混凝土来增加坍落度.

excess bacteria produce the acid by feeding on carbohydrates which enter the mouth in the form of sugars and starches.

以糖和淀粉的形式进入口中的碳水化合物滋养多余的细菌，进而产生酸。