地震次生火灾对人类的危害极大。
Post-earthquake fires cause significant harm to human populations.
遗传病是对人类健康危害极大的一种疾病，它严重影响人口素质。
Hereditary disease is a kind of disease that is greatly harmful to human health. It affects severely population quality.
地震次生火灾对人类的危害极大。
城市火灾对人类的危害极大，建立城市消防地理信息系统是减轻城市火灾的有效途径。
Urban fire does great harm to mankind, therefore it is the effective way to set up a geographical information system of urban fire fighting.
血吸虫病流行于76个国家和地区，对人类造成极大的危害。
Schistosomiasis is prevalent in 76 countries and regions. It is causing great harm to the human.
背景：自然灾害对人类社会造成极大的危害，群体心理应激、社会支持对于减少幸存者心理创伤和疾病起到积极的作用。
BACKGROUND: Natural calamity is a great threat against human society. The colony mental stress and social supports play a positive role in relieving the psychological hurt and disease of survivors.
重金属污染环境对人类的危害很大，对作物产量和质量也影响极大。
Heavy metals pollute the environment and are hazardous to crops as well as people's health.
氯代有机物是一类重要的难降解性有机化合物，对人类的健康和环境具有极大的危害性。
Chlorinated organic wastewater is harmful and resistant to degradation, which imperils human being's health and environment seriously.
细菌性痢疾又称菌痢，是对人类健康有着极大危害性的一种传染病，在全世界范围内每年有数以万计的人因该病死亡。
Bacillary dysentery is a kind of infectious disease, which do great harm to human health and induce millions of people's death every year.
消化系统恶性肿瘤对人类健康危害极大，许多学者对此作了大量研究。
Malignant tumors of digestive system do great harm to people's heath. Many researchers have conducted a great deal of work in this field.
摘要：干旱是对人类及社会危害极大的一种自然灾害。
Abstract: Drought is a kind of great natural disaster for human beings and society.
摘要：干旱是对人类及社会危害极大的一种自然灾害。
Abstract: Drought is a kind of great natural disaster for human beings and society.
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