Objective To investigate the composition and distribution of fiber types of SD rat trapezius muscle and evaluate the muscle function.

目的探讨大鼠斜方肌的肌纤维型组成和分布，借以了解该肌功能。

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Based on the known data and on the field survey, the composition and distribution types of Bryophytes in Qinling mountain are analyzed.

本文在野外调查和整理已有资料的基础上，分析了秦岭地区苔类植物区系组成和分布类型。

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By using single point, linear and lateral scanning, the elements composition and distribution in samples can be studied in micrometer scale.

同时利用微束扫描分析可获得样品中元素的点、线、面分布信息。

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For example, Dr Jiao and his colleagues want to map the abundance, composition and distribution of refractory molecules in more detail.

ECONOMIST: Bacteria and climate change: Invisible carbon pumps | The