查询词典 a period of years

People working in industries where asbestosis was used extensively, such as demolition work, plumbing, and at power stations, were likely to have been exposed to breathing in fibres of asbestos often over a period of years.

工作的人，在产业，石棉被广泛使用，例如拆卸工程，管道，并在电力站，有可能已暴露在呼吸的石棉纤维，往往在几年内。

In America's cacophonous and hyper-active democracy, this means that actions and adventures tend to be self-regulating, at least over a period of years.

在美国闹哄哄的异常活跃的民主制度中，这意味着各种行动和冒险行为趋于自我调节，至少一些年内会是如此。

Yet both feared that Hanoi in its intractability might thwart major designs with us that had matured over a period of years.

但是他们又都怕难于驾驭的河内会打乱他们同我们酝酿多年的主要计划。

Does it relate to the last year or the last six months, or is it the average inflation over a period of years/ statistics are used at times to exaggerate, inflate or oversimplify, and careful attention needs to be placed on the method used to collect and summarize the data.

它是否涉及到去年或过去6个月，还是平均通货膨胀多年来/统计数据的使用，有时被夸大，虚报或过于简单化，并注意要放在所采用的方法收集并总结了数据。

Over a period of years the term "shell lac" has become known as "shellac."

过了一段时间，"shell lac"就被人们缩减成"shellac"。

Generally, options become exercisable over a period of years.

一般而言，行使期权成为年的一段时间。

Over a period of years the term "shell lac" has become known as "shellac."

过了一段时间，&shell lac&就被人们缩减成&shellac&。

Her husband, Lucien, is in prison for the repeated rape of Mado's daughter over a period of years.

她的丈夫路西安因多年来不停地强奸玛黛的女儿而被收监。

The concept matured and was refined in Newton's mind over a period of years, and it was finally written in 1687 in his "Principia"(The Mathematical Principles of Natural Knowledge).

这个概念在牛顿的思想中酝酿和提炼了多年，最终于1687年写进了他的《基本原理》一书中。

Over a period of years, a closed loop system will require less maintenance because its sealed and pressurised, eliminating the possible build-up of minerals or iron deposits.

超过1年时间，闭环系统将需要更少的维护，因为它的密封，加压，消除可能积聚的矿物或铁矿了。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。