In the control group, the rats with no exercise were killed in the 7th week.

I remember learning about the food chain in the 7th grade.

我记得在七年级学过有关食物链的知识。

The marriage was fixed for the 7th June.

婚期定于6月7日。

Results On the 7th day of cultivation, the stable biological envelope formed.

结果铜绿假单胞菌培养7d后可形成稳定的生物被膜。

The 7th International Brew and Beverage Processing Technology and Equipment Exhibition

群芳国展争艳&中国国际啤酒、饮料制造技术及设备展览会盛况空前

Reviews on the 7th Annual Conference of China' Association of Human Resource Management Teaching and Practicing

中国人力资源管理教学与实践研究会第七届年会暨学术研讨会综述

The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.

七年级结束后的夏天，学生们在大学里待上三周，每天学习高等数学七小时。

At day 7th, the blood pressure was measured.

试验第7日测量血压观察药物降压效应。

An analysis of two polymorphic points of the 7th intron of human p53 gene

p53基因第7内含子序列的多态性位点分析

Gln group regain better positive nitrogen equilibrium at the 7th postoperative day.

术后3、7天研究组获得较好的正氮平衡。

Survey on Academic Exchange in 7th International Railway Heavy Haul Transport Conference

第七届国际铁路重载运输大会学术交流综述

On the Technical Level of Chinese Aerobics in the 7th World Aerobics Championship

对参加第七届健美操世界锦的中国队的技术水平分析

The 5th, 6th and 7th are respectively Creative Arts& Design ( 178415), Engineering& Technology ( 164975) and Education ( 145445), and the differences among them are similar.

第五、第六和第七名分别是创意艺术与设计（17万8415个学位）、工程与技术（16万4975个学位）和教育学（14万5445个学位），这三者的热度差别不大。

On February 7th the Post went further, claiming that Mr Wood had grabbed and kissed another 13 women

2月7日的《邮报》走得更远，声称伍德先生还强行抓住亲吻过另外13名女性。

The work was published online on November 7th by the journal Nature.

这项研究在11月7日由《自然》杂志在网上发表。

Rapid growth of welding industry& Realization on the 7th China welding Fair

腾飞的焊接行业&第七届中国焊接博览会观感

The blood supply reconstruction was finished on 7th days postoperation.

结论：真皮下血管网皮瓣术后7天基本完成血供重建，7天断蒂是可行的。

Design of air conditioning system for major venues of the 7th China Flower Exposition

第7届花卉博览会主场馆空调系统设计

The water resources per capita in Jinan are less than one-seventh of the national average.

济南人均水资源不足全国平均水平的七分之一。

China currently has around 7000 commercial cinema screens across the whole country, or around one-seventh the number in the US, but it is adding an average of three screens a day, by far the fastest growth rate anywhere in the world.

中国目前总共拥有约7000块商用电影银幕，数量仅相当于美国的七分之一左右，但增长均速达每天3块，大大领先于世界其他任何国家。

About 180 new planes are on order for 2009, expanding the total fleet by one-seventh.

根据订单情况，中国航空业在2009年将收到大约180架新飞机，将使得机队总规模扩充七分之一。