血管口径用手术显微镜的目镜标尺测量，血管长度和分布范围用直尺和分规测量。
Vascular caliber with operating microscope eyepiece scale of measurement, the length and distribution of blood vessels using a ruler and measurement of sub-regulation.
根据CT标尺测量图像与周围结构关系的距离，以确定骨埋伏多生牙的确切位置。
The accurate positions of a wholly impacted supernumerary teeth in bone was( obtained) based on the measured distances of image between the tooth and the tissues around by the ruler on SCT.
根据拍摄结果，分别采用标尺测量、颗粒重力沉降特性和声波夹带特性计算颗粒粒径。
According to the pictures taken, particles diameters are evaluated by gravitational sedimentation, acoustic entrainment respectively, and measured by ruler.
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