People's performance was soon restored by picture of trees, fields and hills, but not by streets, industrial units or even complex geometric patterns.

被试实验中的表现在观看树木、田地、小山后能够很快得到恢复，而观看街道、工业区、甚至几何图形都不能达到这样的效果。

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The mathematics of fractals – very complex geometric shapes – is just what the doctor ordered, helping to capture the difference between the shape of a healthy cell and a cancerous one.

数学上的分形（fractals）是一种非常复杂的几何形状，这正是医生所要关注的，它是协助医生区分健康的细胞形态和癌变的一个重要特征。

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From the interaction of these simple instructions, the beautiful complex geometric patterns of the flock are generated.

这些简单的指令相互作用，从而产生了鸟群漂亮复杂的几何图形。

youdao

Kilims are woven with many bright patterns and complex geometric forms.

VOA: special.2009.11.04

Using his understanding of complex geometric forms, Lang has played an important role in origami's evolution.

VOA: standard.2010.03.17