研究分子马达的物质结构基础，有助于理解其定向运动机制。
Studying the structure of motor enable us to understand its mechanism of directed movement.
这种纤维-管状结构可能即是经络的物质基础。
This fiber tubiform structure is the substance basis of the meridians.
目的昆布多糖进行硫酸酯化后，对产物结构进行分析，为研究其生物活性奠定物质基础。
Objectives to sulfate the laminarin, then analyze the structure of polysaccharide sulfate, so as to make a foundation for the further research about its biological activity.
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