您要查找的是不是:
- However, the ecologic problems bring bad effects on the local wetland ecotourism. 通过湿地旅游开发可以促进洪湖经济发展和推动湿地保护。
- The ecologic problems in western area are very serious, forming the PPE cycle together with poverty and overgrowth of population. 我国西部地区生态问题突出地表现为水土流失、荒漠化、草地退化和土壤盐渍化,这些问题与人口、贫困一起构成了PPE循环。
- Forest entomologists have concentrated on ecological problems. 森林昆虫学家所重视的是生态问题。
- Sewage itself is another major contaminant of water that can cause ecological problems and such human diseases as cholera and dysentery. 污水是引起水体污染的另一个重要因素,它会导致一些生态问题,使人引发霍乱和疟疾。
- This paper discusses the ecological problems of uranium mining, particularly in-situ leaching (ISL) mines. 讨论了铀矿业的生态问题,特别集中在地浸上。
- Sandstorm diffusion is one of the most serious ecological problems and is paid widely attention in the whole world. 风沙扩散以及由此引起的生态环境灾害作为严重的生态环境问题受到世界的普遍关注。
- Stand biomass which is the foundation of researching many forestry and ecology problems is a basic quantity character of the forest ecological system. 摘要林分生物量是森林生态系统最基本的数量特征,是研究许多林业问题和生态问题的基础。
- Ecological problems can't be solved feebly in the areas in bad ecology,and many ecological problems appear in the areas in good ecology suddenly. 责任不清、心理准备不足、资金物质储备不足,派生出利益不协调、社会动员不顺、环境投入不足等,造成生态差的地方无力解决生态问题,生态好的地方突然出现许多生态问题。
- With the world抯 rapid prosperity,the globality of ecological problem stands out more severe now. 世界各方面的迅速发展,使生态安全问题全球性更加突出。
- Sandy desertification is the main ecological problem the Otindag Sandy Land at present. 沙漠化是浑善达克沙地面临的主要环境问题。
- Continuous pump drainage of water in coal mine results in the desiccation of soil and therefore the related ecological problems. 矿井水强烈持续抽排,导致土壤趋于干化并产生相应的生态环境问题。
- Ecologic problems and countermeasures of urbanization 城市化生态问题及对策
- Ecological problems such as global warming and pollution of the biosphere is bringing thousands of species to the verge of extinction, and even threatening the human existence. 全球变暖、生物圈污染等生态毁灭问题使得数千种物种濒临灭绝,甚至威胁到了人类自身。
- Now, more and more scientists pay their attention to the effects of dam reservoirs on the biogeochemical cycle of riverine nutrients and succedent aquatic ecological problems. 最近,水坝拦截对河流生源要素生物地球化学循环的影响及其引起的相关水环境生态问题引起越来越多的科学家们的关注。
- Especially in the near decades, these reasons result in a series of ecological problems, such as pasture retrogression, vegetation sparsity, soil erosion and dust devil. 特别是近几十年来,农牧交错区因开垦草地、过度放牧,造成草地退化、植被稀疏、土地沙化、水土流失、沙尘风暴等一系列严重的生态问题。
- The ecological saving,reserving and compensating tax is the ability and condition that can solve ecological problems rapidly in the areas in bad ecology,and that ... 生态储蓄、生态储备和生态补偿税是人类思想史和文明史的重要转变,引发深刻的环境革命。
- The answer of some problems is unskillful. 一些问题的回答是不熟练的。
- Fordham said that because many of the sharks on the red list are at the top of the food chain, their extinction could also cause major local ecological problems. 福特汉姆表示,由于红色名单上的许多鲨鱼物种都处于整个生物食物链的顶层,它们的灭绝可能还会引起严重的区域性生态问题。
- She's had a lot of problems to contend with. 她有许多问题要解决。
- Problems were solved on an ad hoc basis. 做了一些变通问题便解决了。
