生态失衡(ecological unbalance):由于人类不合理地开发和利用自然资源,其干预程度超过生态系统的阈值范围,破坏了原有的生态平衡状态,而对生态环境带来不良影响的一种生态现象。
生态平衡失调 disturbed ecological balance
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一个教训是,鱼种不能捕捞到使生态系统失衡的程度,这个结论不需要吃鱼的杰夫斯(万能管家)的大脑才能理解。
One lesson here is that no species should be fished to the point where the ecosystem is unbalanced. That conclusion hardly requires the fish-fed brain of Jeeves.
调查显示,学校内部生态环境失衡造成了陕南、陕北高校人才的大量流失。
On research, we found that the ecological unbalance results in the loss of qualified teachers in colleges and universities.
从教育生态学的观点而论,高职英语课堂教学低效问题的实质在于课堂生态系统中的失衡现象。
From the view of educational ecology, the inefficiency of the college English classroom teaching results from the unbalanced phenomenon in classroom ecological system.
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