... 完整正信息序列 complete positive information sequence 完整指数和 complete exponential sum 万亿 英、德nbillion ...
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基于前人大量的研究，系统总结了生物完整性指数和水文地貌评价法的概念、评价步骤和各自特点。
Based on previous mass researches, the concepts, evaluation steps and respective characteristics of biological integrity index and hydro-geomorphology evaluation method were summarized systematically.
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