查询词典 a period of time

For a certain period of time .

有一段时间了。

I only worked for that company for a short period of time.

我只为那家公司工作一段时间。

Considered from a long period of time, the function and force is different in different periods.

而在推动和影响中国早期城市发展演变的诸多因素中，有三种因素占主要地位，即政治、经济和地理。

If people are in lack of calcium and vitamine D in a long period of time, the bone would become friable gradually.

如果人长期缺钙或缺维生素 D ，骨头就会逐渐变得脆弱。

The reason is that in such circumstances would produce large amounts of metal particles, colleagues gathered short period of time can not be all of the heat absorption and conduction, and we take FILE or a small saw blade friction and copper alloy materials, they will not produce sparks phenomenon, because when heat absorption and conduction can be timely.

原因在于在这种情况下会产生大量的金属颗粒，同事短时间聚集的热量不能被全部吸收和传导，而我们拿锉刀或小锯条摩擦铜合金材质时，就不会产生火花现象，因为这时产生的热量能被及时的吸收和传导。

And if you don't, this period of time will be a frightening one.

不过，我可以告诉你为什么我自己要这样做。

The drops can exist for a set period of time ranging from 1 day to 1 year.

液滴可以存在一组在一段时间内，从1天到1年。

Humanity factors are formed while human beings have been contacting each other during long period of time, including traditional culture, humanistic nets and so on. But there was a functional transformation of humanity factors in the development of industrial clustering.

人文因素是在人们的长期交往中形成的，涵盖传统文化、人文网络等要素，它在产业集群发展中经历了一个功能转变的过程。

Past reversals have taken place over a short period of time geologically speaking, 10,000 years or so.

过去的倒转在地质学上的说法是发生在一个短的时期，大约1万年。

"We have a period of gestation, the time mature slowly."

"我们酝酿有段时间了，时机慢慢成熟。"

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