Ecological and environmental safety is the key to ensuring water.
流域生态环境安全是确保水资源的关键。
This article reviewed the possible harm of CM food to the health of mankind and ecological environment, discussed the arguments on the safety of CM food in the world.
综述了转基因食品对人类健康及生态环境可能存在的潜在危害，讨论了有关转基因食品的安全性争论。
Valley ecological environment safety is the key to the guarantee of water resources.
流域生态环境安全是保证水资源的关键。
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