经过多年

Medial researchers, after many years of study, have announced in their reports that smoking is a cause of lung cancer.

医学研究者经过多年的研究，在他们的报告中宣布，吸烟是引起肺癌的原因。

Through years of development in international market, Main Messe has held a number of first-class international exhibitions, and develop a good partnership with global professional organizations, and lay a foundation for hosting international exhibitions through the world.

美因经过多年在国际市场的开拓与发展，成功举办了国际一流展览会，并与全球的专业组织和机构建立了良好的合作关系，为在全球举办国际性展览会奠定了基础。

Based on the evaluation system, the plants whose relative remediation age was between 0~10 years were named as"Hyperaccumulator"and those between 10 ~ 50 years were named as"Accumulator".7 In the experiments six kinds of substrates were mixed with different solid wastes and the absorption and enrichment of plants on heavy metal Cd was studied. The results showed that relative remediation age was an ideal index to evaluate the capability of the phytoremediation on heavy metals, because it took into account more factors which affected the absorption evaluation effects than others, such as the heavy metal content and the biomass of the over-ground part of plants, the heavy metal content and the whole gross in substrates, harvesting frequency of plants and the environment standard of heavy metal. This made relative remediation age be suitable to the sorption capability evaluation of not only different plants on one heavy metal but also one plant on different heavy metals.8 It can be drawn from the relative remediation age of heavy metal Cd that the absorption capability of different plants was not same.

以相对修复年限为评价指标定义相对修复年限为0-10年的植物为"超富集植物"，10-50年的植物为"富集植物"。7在由不同废弃物按一定的比例混合配制的六种土地复垦基质上，系统地研究了几种植物对重金属镉的吸收和富集情况，结果表明，相对修复年限既适用于不同植物对同一种重金属元素的吸收能力的评价，又适用于同一植物对不同重金属元素的吸收能力的评价，是衡量重金属元素植物修复效果的理想指标。8从不同植物对同一基质重金属镉的吸收和富集能力看，不论是经过多年种植的基质，还是第一次种植的基质，小白菜和油菜都是相对理想的植物；而黑麦草、高羊茅和苜蓿的吸收效果并不理想。

In accordance with China's Policy for Builiding Materials and Their Products Between 1996-2010 and some other published relevant policies to protect the existing forestry sources and to encourage enterprises to develop environmental and energy-saving products, we, after making researches for many years and suffering numerous harships, finally created a brand-new microcrystal ecological floor-Naturally-Walk.

根据国家"1996-2010建筑材料与制品技术政策"及已出台的保护现有林业资源和鼓励企业研制开发环保节能产品的相关政策，我公司经过多年的潜心研究，历尽千辛万苦，终于开发出一款用新型材料制成的、能取代实木地板的微晶生态地板--"自然行"。

After many years of hard work, the company is development and production of the "negative pressure fan Branch Mita","Branch Mita horn-type speaker type negative pressure air","Branch Mita wet curtain cooling system Product","Energy Saving and Environmental Protection Division Mita air-conditioning "and other series products, environmental protection, efficiency, energy saving ideas with the global results of the user's practice match, won the domestic and foreign markets and the credibility of the broad masses of customers favor.

经过多年的艰苦创业，公司现开发生产的"科美达负压风机"，"科美达喇叭型喇叭型负压风机"，"科美达湿帘降温系统产品"，"科美达节能环保空调"等系列产品的环保、高效、节能的理念与全球用户的实践检验结果相吻合，赢得了国内外市场广大客户的信誉和青睐。

Fruitful harvest need integrity mothball strength, company staff teamwork, after years of professional services and professional knowledge accumulation and high quality and consciousness, constitute the company a team of professional consultants, customer service team, technical team and sales team, which provides services to ensure a better understanding and satisfy the needs of customers, ensure the preferential price and fast delivery.

硕果累累的丰收需要德才兼备的后备力量，公司员工团结协作，经过多年的专业服务和行业知识的积累以及较高的素质和意识，构成公司一支专业的顾问团队、客服团队、技术团队和销售团队提供服务保障，从而更好的理解和满足客户的需求，保证价格的优惠和供货的快捷。

After years of effort, we have finally invented the perfect mousetrap.

我们在经过多年努力后，终于发明了完美的捕鼠器。

After many years of effort, the technique of raising dairy cows was promoted. The production increased to 6,067 kg per head of multiparous cows in 2007. Due to the price of feed rising dramatically and the purchased price of raw milk not increasing, the number of dairy farms was decreased to 619. The production cost of the raw milk increased from NT$21.85 to NT$24.97 in the past five years and the quality of raw milk improved significantly.

经过多年努力，酪农生产技术提升，平均每头经产牛年产乳量，到2007年已高达6，067公斤，但因饲料价格高涨，乳价收购价格没有相对提高，所以酪农户数降到619户；近五年牛乳每公斤生产成本，由21.85元增至24.97元，牛乳品质进步很多，每c.c。

After years of neglect and poor management in the 1990's, Nairobi is now reclaiming its lost glory.

经过多年的忽视和管理不善，在1990年代，内罗毕现在收回失去的荣誉。

With many years development, Shanghai NanDu Exhibition Service Co., Ltd. is honored to be a member of Shanghai Exhibition Industry Association.

经过多年发展，上海南都展览服务有限公司已荣幸发展成为上海会展行业协会的会员单位。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。