... density partition curve 密度分配曲线 density time curve 密度时间曲线 density exposure curve 曝光密度曲线 ...
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time-density curve 时间 ; 密度曲线 ; 的时间密度曲线 ; 的时间
Methods:Dynamic CT scan was performed in 9 volunteers, measuring the CT value of the same plane of aortic arch and the theoretical threshold was obtained by the time density curve(TDC).
方法：9例志愿者行主动脉弓同层动态增强扫描，利用获得的主动脉弓时间-密度曲线（TDC），寻求触发技术的理论阈值。
Time density dynamic perfusion curve of the tumor is slow rising and slow descending.
混合瘤时间密度曲线呈缓升缓降型；
It is necessary to record the linear scale before and after log and the time difference curve in the acoustic variable density log.
摘要阐述了声波变密度测井时对其进行测前、测后线性刻度及记录时差曲线的必要性。
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