Haeckel used embryology extensively in his recapitulation theory, which embodied a progressive, almost linear model of evolution.

海克尔在他的重演论中大量使用胚胎学知识，使一个渐进的、几乎线性的进化模型得以具体化。

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Darwin eventually put forward a model of biological evolution.

达尔文最终提出了一套生物进化的理论模式。

《柯林斯英汉双解大词典》

Now, one way of representing the evolution of languages, showing the way languages are related to each other, is with the family tree model.

现在，描述语言的演化、展示语言之间的相互关系的一种方法，是用系谱图模型。

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Based on these results and observations, a model of glacier evolution is proposed, involving an adjustment phase, thinning phase, areal-retreat phase, and fragmentation phase.

UNESCO: Dublin Core

Indeed, one principal purpose of the Bolshoi simulation is to compute and model the evolution of dark matter halos thereby rendering the invisible visible for astronomers to study, and to predict structures that astronomers could then seek to observe.

FORBES: Connect

Hany and I convinced the management team of how we thought of the evolution of the business model, not just from a China perspective but also from a U.S. perspective.

FORBES: GGV Capital, With $625 Million In New Funds, Targets China, U.S. Growth