The changes of environment and climate are major subjects of global change study field.
环境与气候的变化是全球变化研究领域的中心课题。
The study of the climate is an ancient science.
气候的研究是一门古老的科学。
There is no climate of serious study either of current conditions or of past history.
认真地研究现状的空气是不浓厚的，认真地研究历史的空气也是不浓厚的。
There is no climate of serious study either of current conditions or of past history.
认真地研究现状的空气是不浓厚的，认真地研究历史的空气也是不浓厚的。
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