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ecological defence
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ecological defence
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理学
生态屏障
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ecological defence
生态屏障
处于某一特定区域,具备完善的生态系统结构、过程与功能,能有效保障区域内外乃至国家生态安全的复合生态系统。
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insurance contract
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insurance for poverty alleviation
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insurance guaranty fund in China
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Insurance Law of the People's Republic of China
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