This coming Sunday is World Environment day. So what is the state of the planet in 2011?
本周日是世界环境日。那么，2011年地球的整体状况如何呢？
The state of the world affects each combat mission's environment.
战场环境受世界的状况影响。
Introduction of the State Key Laboratory of Clean Energy Utilization Energy and environment is one of the most important and popular subjects in the world today.
能源清洁利用国家重点实验室介绍能源与环境问题是世界关注的热点问题。
Introduction of the State Key Laboratory of Clean Energy Utilization Energy and environment is one of the most important and popular subjects in the world today.
能源清洁利用国家重点实验室介绍能源与环境问题是世界关注的热点问题。
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