This is a very simple and practical new method for the measuring of aspherical surfaces.

因此该方法是一种非常简便、实用的测量非球面的新方法。

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Wastes sorting itself is a very simple and practical waste management option, but it faces so many obstacles regarding to its implementation.

垃圾分类本身是一个很简单，可行的垃圾处理方案，但怎么实施起来，总是困难重重。

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This process is very simple and practical, which provided a base for industrial production of sapindus-saponin and exploitation new medicine.

该工艺简单可行，为无患子皂苷的工业化生产和新药开发提供了依据。

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