中国农业大学

College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094, China

1中国农业大学农学与生物技术学院，北京100094；2中国科学院植物研究所，北京100093

Department of Plant Pathology, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094

中国农业大学农业与生物技术学院植物病理系，北京 100094

College of Agronomy and Bio-technology, China Agricultural University, Beijing 100094

中国农业大学农学与生物技术学院，有机农业技术研究中心 100094

State Key Laboratories for Agrobiotechnology, established in 1990 in due form, relys on China Agricultural University.

农业生物技术国家重点实验室1990年正式建成，依托单位为中国农业大学。

College of Natural Resources and Environmental Science , China Agricultural University , Beijing 100094, China

1中国农业大学资源与环境学院生态系北京 100094，中国

1Institute of Biotechnology, Zhejiang University, Hangzhou 310029; 2Department of Plant Pathology, China Agricultural University, Beijing 100094

1浙江大学生物技术研究所，浙江杭州 310029；2中国农业大学植物病理系，北京 100094

1Department of Plant Science and Technology, Beijing University of Agriculture, Beijing 102206; 2Department of Plant Pathology and State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing 100094

1北京农学院植物科学技术系，北京 102206；2中国农业大学植物病理学系，农业生物技术国家重点实验室，北京 100094

University of Plymouth and China Agricultural University .

普利茅斯大学和中国农业大学。。。

In this article, we systematically introduced the development of researching and practicing and analyzed the advancement of the field to respond the policy of the Central Party Committee of the Party that "promoting industrialization and informationization coactively with IT technology in agriculture in a more effective way".

本文系统介绍我国近年来在这一领域研究与应用的进展、技术内涵，以及学科前沿，旨在响应党中央关于&用信息化促进工业化，用工业化带动信息化&，大力发展农业信息化的号召，并以本文纪念中国农业大学百年校庆。

College of Veterinary Medicine,China Agricultural University,Beijing 100094,China

中国农业大学动物医学院，北京100094； 2。长江大学动物科学学院，湖北荆州434025

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。