查询词典 a period of time

A diachronic study of language is a historical study; it studies the historical development of language over a period of time.

历时性研究属于历史性的研究，它研究的是语言经过一定时间阶段所发生的历史变化。

For the determination of the chlorophyll in seawater, pigments of marine algae are extracted with 90 % acetone by the following three methods: 1 grinding in a homogenizer, 2 extracting by placing the samples in darkness for a period of time,and 3 using a sonic disintegrator.

本文讨论了用90％丙酮从海藻中提取叶绿素进行测定的三种提取方法(研磨法、浸泡提取法、超声波粉碎法)的最佳条件。并对三种提取方法的提取效率进行了比较。

Innervate, the top Restoration skill, is a buff that restores its target's mana over a period of time and has a 6 minute cooldown.

聚精，恢复系的终极技能，是一种在一段时间之内恢复目标魔法值的buff，有6分钟的冷却时间。

Still later, there was a period of time, I got or we got 160,000 Yuan. We bought a lot of things, but we never bought a mosquito net.

再后来，有一段时间，我有了16万，或者说我们有了16万，我们买了很多东西，却没有再买一床蚊帐。

Laser printer cartridges for organic silicon photoconductor, there is the work of fatigue, therefore, can not be for too long working hours, if a large output can be at work after a period of time to stop and take a short break while the output to continue.

激光打印机的硒鼓为有机硅光导体，存在着工作疲劳问题，因此，连续工作时间不可太长，若输出量很大，可在工作一段时间后停下来休一会儿再继续输出。

A legal status, applied to people 16 years of age and older, who have been convicted of a crime and placed under the supervision of a probation officer for a period of time set by the court.

对16岁或更大一点的人因犯罪而给于的一种法律地位。其将在法庭确定的一段时间内接受缓刑监督官的监督。

Adult Probation——未成年缓刑A legal status, applied to people 16 years of age and older, who have been convicted of a crime and placed under the supervision of a probation officer for a period of time set by the court.

对16岁或更大一点的人因犯罪而给于的一种法律地位。其将在法庭确定的一段时间内接受缓刑监督官的监督。

The most reliable way to determine a food allergy is to have the patient eliminate a suspected food from the diet for a period of time and then reintroduce it later.

最可靠的方法来确定食物过敏是让病人消除了从一段时期的饮食怀疑食物中毒，然后重新它。

Wrapped with blankets to sleep, a little bit tight, so she has a sense of security, after a period of time just fine.

用被子包起来睡，稍紧一点，让她有安全感，一段时间后就好了。

Over a period of time we encounter insufficient disk space issues which might have been caused by poor preventive maintenance, low budget for a higher capacity disk (not all of us could afford a Terabyte of hard disk), or lack of discipline we like to download everything and keep them forever even we don't need them for future use!

在过去一段时间我们所遇到的磁盘空间不足的问题，可能已造成穷人的预防性维修，低预算，高容量磁盘（不是所有的我们能够负担1 TB的硬盘），或缺乏纪律，（我们想下载一切，让他们永远甚至我们不需要他们以供未来使用！

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐