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- Pursuit of economical and ecological balance. 经济和生态平衡追求。
- It had many merits, such as, special function mechanism, good effect, safe for human, not breaking ecology balance and not easy to generate insecticide resi-stance. 其具有特异性强，防治效果好，对人畜安全，不破坏生态平衡，害虫不易产生抗药性等优点。
- We risk upsetting the ecological balance of the area. 我们有可能破坏这个地区的生态平衡。
- That which undermines ecological balance and harms the environment. 破坏生态平衡或者危害环境的。
- As the natural oxygen factory, rainforest is a main power to keep balance between carbon dioxide and oxygen.The ecology balance is destroyed for a mass of deforest, include in such wilderness areas. 作为维持生态平衡的重要组成部分，如果我们不好好保护，后果是很严重的。
- If too many trees are felled, the ecological balance will be disrupted. 如果有太多树被砍伐，生态平衡就会被破坏。
- Indiscriminate felling of trees will destroy the ecological balance of nature. 乱砍乱伐会破坏整个自然环境的生态平衡。
- Moreover, it brought about how to keep the ecological balance, make grassland agroecosystem live up to sustainable development as to benefit economy, society and ecology. 并在此基础之上提出如何保持生态平衡，使草地农业生态系统能够达到经济、社会和生态三盈，做到可持续的发展。
- Moreover,it brought about how to keep the ecological balance,make grassland agroecosystem live up to sustainable development as to benefit economy,society and ecology. 并在此基础之上提出如何保持生态平衡,使草地农业生态系统能够达到经济、社会和生态三盈,做到可持续的发展。
- Ecological balance would be broken by the fact that rabbits overabound on the grasslands. 草原上过度繁殖的野兔对草原的破坏将导致生态平衡的失控。
- We can tap a watershed indefinitely so long as we do not disturb the ecological balance. 我们只要不干扰集水区的生态平衡，就可以无限期地利用其水域。
- Concern about ecology is a recent development. 对生态的关心是最近才有的事。
- These animals have contributed to an ecological balance which has sustained man through hundreds of millennia. 这些动物提供的生态平衡,支持了人类生存的数十万年。
- The ruin of large number of rainforests plants must destroy the ecological balance. 大量热带雨林的毁灭必然破坏生态平衡。
- The gangue is a solid waste in coal industry and has a negative effect on environment and ecological balance. 煤矸石是我国煤炭工业的固体废弃物,对环境和生态平衡造成了极大的危害。
- Human ecology is a branch of social science. 人文生态学是社会科学的一个分支。
- Thanks to its self-cleaning funtion, the sea is able to maintain its ecological balance. 大海具有自净作用，可以维持生态平衡。
- Thirdly, she has realized the harmonious development of the thriving city and ecological balance. 它给世界发展的启示是：奥运会的成功举办必须加强与政府的协作；
- The ruin of large number of rainforest plants must destroy the ecological balance. 大量热带雨林的植物的毁灭必然破坏生态平衡。
- Holistic medicine; holistic ecology. 全身治疗的药物; 注重整体的生态学
