本文所描述的明渠流量测量系统是用于对属于明渠流动范畴的城市和工矿企业的污水排放进行流量计量的。
The open-channel flow-measuring system described in this paper is used for the measurement of the waste discharge in the city or from the factories.
第三章，重点阐释了供应链中知识的范畴和供应链中知识流动的形成机理、层次、特性及阻碍因素。
The chapter two explains the category of supply chain knowledge and the formation mechanism, level, characteristics and obstacles of the knowledge flow in the supply chain.
CT灌注成像能反映组织、器官的血流动力学状态，属于功能成像的范畴。
PrefaceCT Perfusion Imaging, as a kind of functional imaging, can reveal the hemodynamic state of tissue and organs.
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