an empirical study of evolvement 古镇灯饰产业集群
In the first part, the biology study evolvement of molecular motor are introduced, including their categories, structure features and motion properties.
第一部分介绍了分子马达的生物学研究进展，包括马达的种类、结构特征和沿轨道运动的性质。
The traffic flow theory is a set of models and method frames which aims is to study evolvement laws of traffic flow in time and space dimensions under some conditions.
交通流理论是研究在一定环境下交通流随时间和空间变化规律的模型和方法体系。
There is scarce study on the evolvement of rural household energy consumption structure in Northern China at present.
目前对中国北方地区农村家庭能源消费结构演变的研究较少。
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