The ecological environment on the high cold wetland has specificity,sensitivity and vulnerability characteristics,so "ecologically fragile" is the main problem in construction of highway on the high cold wetland.
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大坝损害了西伯利亚脆弱的生态平衡。
Large dams have harmed Siberia's delicate ecological balance.
沙漠边缘的半干旱土地处于非常脆弱的生态平衡之中，而这些半干旱区域对于持续增加的环境压力的适应能力极其有限。
The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures.
石油污染可能破坏珊瑚礁脆弱的生态环境。
Oil pollution could damage the fragile ecology of the coral reefs.
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