[医] 污水生物学处理

星火30篇文章贯通考研词汇 17

Unit 17 Saving the Environment271 拯救环境比起消除真正的污染，当前加强对于环境保护重要性的认识，其意义还要深远得多。我们太晚才认识到，当我们在生产﹑规模﹑速度和发展这些方面取得成就的时候，生活条件已大大恶化 The effort to save the environment derives

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2006年星火30篇考研词汇

US Able to Protect Servicemembers from Biological Threat, Sa

Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert

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VOA2003（上）-健康之旅

VOA标准英语2011--Human Waste Killing Caribbean Coral

Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding

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VOA标准英语2011年(八月)

美国国家公共电台 NPR You Probably Don't Want To Know About Haiti's Sewage Problems

DON GONYEA, HOST: Port-au-Prince, Haiti is a city of more than 3 million people with no sewer system. International donors have spent millions of dollars on infrastructure meant to help the situation. But a multi-year plan to build sewage treatment p

发表于:2019-01-16 / 阅读(61) / 评论(0)

2017年NPR美国国家公共电台7月

AGRICULTURE REPORT - Biological Controls, Part 1

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

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农业与发展

GRE试题七(2)

9. In recent years, there has been a dramatic decline in the population of the shrike, a predatory bird that inhabits flat land, such as farms and pastures. Some ornithologists hypothesize that this de

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