社会的帮助，而将这些材料不同的用途所感兴趣的人类学家谁可能会问，例如，为什么人们选择使用粘土，而不是铜这两个项目时可用。

The different USES to which societies put these materials are of interest to anthropologists who may ask, for example, why people choose to use clay and not copper when both items are available.

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不同种类的材料，不同用途的标签，所使用的工艺流程也不同。

Different types of materials, the label for different purposes, is used by the process flow.

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共聚高分子和表面活性剂系统常常能够形成不同尺度的复杂结构，在材料和生物技术领域具有广泛的用途。

Copolymer and surfactant systems can generally form complicated structures on various scales, which have broad use in the fields of material and biological technology.

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