Most researchers expect to find that both modes of transition from one species to another are at work in evolution.

大多数研究人员希望发现从一个物种到另一个物种的两种转变模式都在进化中起作用。

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In this paper the numerical method developed to study the non-linear evolution of tearing modes is described in detail.

文中还详细介绍了数值方法，这个方法已用于研究撕裂模的非线性演化。

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In such a finite superlattice, the evolution of all the interface modes can be clearly tracked.

在这种有限超晶格结构中，可以清楚地看到所有界面模的演化轨迹。

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