查询词典 a period of years

Patents are valuable tools in a company's arsenal to resist competition because it provides an exclusive right up to a period of twenty years.

专利的宝贵工具在公司的军火库抵制比赛专用权，因为它提供了一个长达20年。

A period of two years can save a autoclave money.

在两年内就可以节省一台高压釜的钱。

In fact from the time when it was a caput mundi, through the development of Christianity to the present day ( a period of more than 2.500 years ), Rome has become an unsurpassed anthropological and archaeological archive of Western culture.

事实上从这些的时候是一种津贴mundi ，并通过基督教的发展，以目前一天(一期超过2.500年)，罗马已成为一个卓越的人类学和考古学资料馆西方文化。

This CDC definition of a three to six month window period has been commonly used for a number of years.

CDC对于这个三到六个月的窗口期定义已经被广泛的采用了很多年了。

A further 20% will progress to cirrhosis of the liver over a period of 20- 30 years.

另外20 ％的进展将肝硬化的肝脏在过去一段20 -3 0年。

In a period of less than 30 years China has developed from a closed country in poverty with a stagnating economy to a nation that now is experiencing the fastest economic growth in the world.

今后一个时期的不到30年中已经从一个封闭的国家，贫困，停滞的经济，一个国家，现在正经历着经济增长最快的世界。

It is determined as a result of heating facilities, regular and high-temperature heating. It operated hot water pipes so that in the 15 ℃---- 90 ℃ from time to time between the operation, resulting in accelerated aging boiler and pipe rust and scale in the United States on heating and heating from time to time out after a period of time. The purpose is to accelerate the pipeline of the scale and rust solid precipitation knot a few years later so easy to plug.

由于供热设施所决定，定时和高温供热，使热水管在15℃----90℃之间不定时运行，产生热胀冷缩加速老化，锅炉和管道中的铁锈和水垢在美日定时供热和取暖期过后停用时间，加速管道的水垢与铁锈的沉淀结固，几年后，使管理易产生堵塞。

Olympic culture has been communicated for a period of nearly 100 years. As the key of Olympic culture,the Olympic spirits has very important influence, especially in the time of Beijing hosting 2008 Olympic Games, communicating Olympic spirits with the construction of physical education on culture in campus has become the need of the new time. Physical education culture in the campus is an important part of the culture in campus. It is the briskest and the most original culture in the campus and exerts a subtle influence on the people in the campus.

奥林匹克文化在我国高校中的传播已经有近100年的历史，而奥林匹克精神作为奥林匹克文化的核心，具有丰富的内涵和良好的教育价值，在北京即将举办2008年奥运会之际，在我国高校中更广泛地弘扬与传播奥林匹克精神已成为时代发展的需求；高校校园体育文化是高校校园文化的重要组成部分，是高校师生接触最为广泛，最有活力的一种文化，对校园人有着多方面的重要影响，如何将两者相结合以实现良性的互动，有着重要的研究价值。

The typical company fraudster is a trusted male executive who gets away with over 20 fraudulent acts over a period of up to five years or more, according to a major new international study by KPMG Forensic.

毕马威一项最新的研究报告表明，企业中有舞弊行为的人往往是那些被充分信任的男性管理者。在5年以上的职业管理生涯中，他们平均有超过20项的舞弊行为未被发现。

Investors may also pay a level load, or a percentage of the annual return, for a period of five or more years.

不过，无论以何种形式收取佣金，金额都会直接从投资本金中扣除。

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。