Companies are looking beyond traditional assumptions and adopting new frameworks, theories, models and concepts.

公司不再满足于传统的想法，正在采用新的框架、理论、模型和概念。

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There are lots of concepts of seed dormancy, and these concepts induce many theories and hypotheses and models.

关于种子休眠的概念有多种，这些概念引出了许多学说、假说和模型。

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First, the present full-scal concepts, theories and models of metapopulation were analyzed and summarized;

本文首先对复合种群的已有概念、理论和模型做了全面的分析和总结；

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