a period of years

Photoaging occurs over a period of years.

“光老化”现象是一种长期缓慢的进程。

Like the regulatory process, judicial review has evolved over a period of years into a complex and not completely coherent system.

与管理调控过程一样，司法审查若干年里已逐渐演变成为一种复杂但并非完全逻辑一致的制度。

Payment can be spaced out over a period of ten years.

在十年内分期付款。

He built up the business over a period of ten years.

他用了十年时间把这个企业创建起来。

This book was written over a period of three years.

本书历时三年写成，是多人通力合作的结晶。

A solid relationship and mutual trust are established only over a period of years.

只有经过多年才能建立起牢固的关系和互相信任。

Money usually depreciates in value over a period of years.

金钱通常在一些年后贬值。

The IT in most large organizations has grown over a period of years or even decades – and it shows.

在过去的几年甚至是数十年间，许多大型机构中的IT部门成长起来。

The lectureship is tenable for a period of three years.

讲师这一职务任期三年。

But generally speaking, a period of three years is about right.

但是，一般地说来，有三年时间也就差不多了。

Worked for a period of ten years;

工作了十年时间；

Most objects I have collected over a period of many years.

这里的大部分东西都是我多年收集来的。

Dynamic Analysis on the Chemical Drug Utilization over a Period of Five Years in a Staff Hospital

某职工医院西药利用的5年动态分析

Rather, talk therapy can, over a period of years, help people better understand what underlies their feelings and behavior, accept their true competence and potential, learn to relate more effectively with other people and, as a result, experience more rewarding relationships.

然而，谈话疗法在坚持数年之后，可以帮助人们更好地理解潜伏在他们的情感与行为之下的东西，更好地接受自己真正的能力与潜力，学习更有效地与他人打交道，从而体验更美好的人际关系。

It was proposed that the president be elected for a period of two years.

有人提议选出的主席任期为两年。

You can pay back the loan over a period of three years.

你可以在三年内分期归还贷款。

The trend percentage can be called trend index, which shows the level of changes or development in the related items over a period of years.

趋势百分比可以被称为指数，它反映了有关项目前后年度变化或发展的水平。

We have to allow a period of three years to achieve a significant penetration in the market.

我们要有三年的时间才能充分占领市场。

Estimation of Occurrence Probability of Earthquake Intensity for a Period of Ten Years

10年尺度地震烈度发生概率预测方法

The drugs are used as adjuvant to primary surgical treatment for a period of five years.

这些药物用于初次手术后五年内的辅佐药物。

Well, we're going to have the transition over a period of two years.

嗯，我们将以两年的时间来作为过渡时期。

They agreed to repay their creditors over a period of three years.

他们同意3年内向债主还清欠款

But when the ratio takes in a period of years, it gives a rough indication of the cost of funds generated by insurance operations.

浮存的成本以及投资回报率是关键。相对而言，某一年的承保损失并不重要。

Climate is summary of weather conditions over a period of years.

气候是数年以上气象条件的综合概况。

The employment is for a period of two years from January 1, 2003

聘期两年，从2003年1月1日

They will phase the new health care over a period of five years.

他们要在五年内分阶段执行新的医疗保健计划。

After a period of years full of incident we have been compelled to abandon our labours, and to stop short on the road of progress.

经过了几个变化多端的年头，我们不得不搁下我们的工作，在前进的道路上完全停顿下来。

Our country's psychological counseling has been in of informality and non-career a period of years.

我国的心理咨询长期以来一直处于非正规化和 非 职业化的尴尬境地.

If the world really wants to get to grips with reducing its dependency on fossil fuels, eliminating subsidies both in the developing and developed world over a period of years is a good start.

如果全球真的想勉力减少对化石燃料的依赖，在几年的时间内取消发展中国家和发达国家的燃料补贴是一个良好的开端。

They will redeem their debts over a period of years.

他们要在几年间偿还所有的债务。