a sound level 声级acid rain酸雨a containing waste废物actinophrys sol太阳虫adaptable species适应性强的物种afforestation commission绿化委员会Afforestation植树造林agricultural biotechnologies农业生物技术agricultural land农用土地agricultural source of water pollution水农业污染源agricultural wastes农业废物agrometeorology农业气象学air pollutants空气污染物air pollution monitoring大气污染监测air pollution prevention and control law大气污染防治法air pollution system大气污染系统air pollution空气污染air quality index；aqi大气质量指数air quality management空气质量管理air quality monitoring大气质量监测air quality空气质量air steam气流air temperature气温air-water interaction空气水相互作用alctai kanasi nature reserve阿勒泰喀纳斯自然保护区algae藻类algal bloom藻花alkali lands碱地alpha particle粒子alpha raya射线amphibians两栖动物animal behavior动物习性animal dung as fuel动物粪便作燃料animal resources动物资源Antarctic ecosystems南极生态系统Antarctic region南极地区aquatic environment水生环境aquatic mammals水生哺乳动物aquatic microorganisms水生微生物aquatic plants水生植物archipelagoes群岛arctic ecosystems北极生态系统arctic region北极地区area source of water pollution水污染面源arid land ecosystems干旱地区生态系统arid lands干旱土地arthropods节肢动物artificial environment人工环境artificial immunity人工免疫artificial meteorology人工气象artificial precipitation人工降雨artificial selection人工选择atmospheric quality standards大气质量标准atmosphere大气atmospheric chemistry大气化学atmospheric circulation大气环流atmospheric components大气成分atmospheric composition大气成分atmospheric monitoring大气监测atmospheric nuclear test大气层核试验atmospheric particulates大气颗粒物atmospheric pollution effect大气污染效应atmospheric precipitation大气降水atmospheric pressure气压atmospheric processes大气过程background survey on meteorology environment气象环境背景调查bacteria细菌battery disposal电池处理benthic ecosystems海底生态系统bioethics生物伦理学biogas沼气biological diversity and protected areas生物多样性和保护区biological diversity生物多样性biological pollution of soil土壤生物污染biological pollution of water body水体生物污染biological purification of water body水体生物净化biological resources生物资源biological weapons生物武器biomass energy生物质能biomass生物量biosafety生物安全biosphere reserves生物圈保护区biotechnological issues生物技术问题biotechnologies生物技术biotopes群落生境birds鸟类carbon monoxide一氧化碳botanical gardens植物园carbon dioxide二氧化碳catchment areas集水区carbon cycle碳循环caves洞穴cellulose纤维素cfc free无氟cement industry水泥工业charcoal木炭chlorofluorocarbon含氯氟烃,简称为 cfcchlorofluorocarbons氯氟碳climate气候climatic change气候变化climatic classification气候分类climatic element气候要素climatic issues气候问题climatic subdivision气候分区climatic variation气候变化climatic zones气候带climatology气候学cloning无性繁殖coal gasification煤气化coal liquefaction煤液化coal煤coastal areas沿海地区coastal development沿海开发coastal ecosystems沿海生态系统coastal environments沿海环境coastal erosion海岸侵蚀cold zone ecosystems寒带生态系统commercial noise商业噪音comprehensive pollution index of soil土壤污染综合指数comprehensive pollution index of water quality水质综合污染指数composite pollution混合污染concogcnc癌基因coniferous forests针叶林conservation of freshwater谈水保护conservation of genetic resources基因资源保护contaminated land污染的土地contaminated soil污染的土壤crop smothering草害coral reefs珊瑚礁cost-benefit analysis成本-效益分析critical depth of underground water地下水临界温度control of gaseous pollutants气态污染物控制crop waste作物废物crude oil原油crustaceans甲壳纲动物Drought干旱Global warming全球变暖Greenhouse effect温室效应 Humidity湿度Sea level rise海平面上升 Weather modification 人工影响天气Seismic activity 地震活动 Soils.土壤Alkali lands碱地Contaminated land污染的土地Contaminated soil污染的土壤Gravel pits沙坑Heath lands荒地Land carrying capacity土地承载能力Land pollution土地污染Land reclamation土地开垦Land restoration土地恢复Land use classification土地使用分类Marginal lands边缘土地Sand extraction沙石开采Sedimentation沉积Soil capabilities土壤潜力Soil conservation土壤保持Soil contamination土壤污染Soil degradation土壤退化Seismic monitoring地震监测Volcanoes火山adverse weather condition 恶劣的天气状况TERRESTRIAL ECOSYSTEMS.陆地生态系统Atmospheric composition大气组成Air quality.空气质量Atmospheric chemistry大气化学Atmospheric components 大气成分whirlwind 龙卷风Carbon dioxide二氧化碳hurricane 飓风Greenhouse gases温室气体Wind erosion.风蚀typhoon 台风desertification 沙漠化sandstorm 沙尘暴air quality rating 空气质量评级cyclone 旋风visibility 能见度sand and dust weather 沙尘天气cold snap 寒潮precipitation 降雨或降雪量stormy wind 暴风blizzard 大风雪snowstorm 暴风雪ice rain 冻雨thunderstorm 雷暴hail/hailstone 冰雹frosty 霜冻cold spell 春寒期dry spell 干旱期drought-relief efforts 抗旱drinking water shortage 饮用水缺乏drought region 干旱地区rain spell 雨季fog 浓雾sleet 雨夹雪；雹；冻雨waterspout 海上龙卷风Indian summer 秋老虎artificial precipitation/rainfall enhancement 人工增雨El Nino phenomenon 厄尔尼诺现象La Nina phenomenon 拉尼娜现象forestation 植树造林 大气过程 Atmospheric processesarid and semi-arid areas 干旱和半干旱地区topsoil 表土层Oxygen氧气Ozone layer臭氧层Air-water interaction空气水相互作用Atmospheric circulation大气环流Atmospheric precipitation大气降水Carbon cycle碳循环Evaporation蒸发作用Precipitation enhancement降水增加Solar radiation太阳辐射Transpiration蒸腾作用