Densometer Itstrument that measures the air resistance of an area of paper. 透气度计量度一面积的纸骊空气的阻力的仪器。
The paper introduces the design of the double-functional X-ray bone densometer,first-developed in China using microcomputer control technology and numerical control technology. 介绍了采用微机控制技术、数控技术等先进控制技术进行的我国首台双功能X射线骨密度仪自动控制系统的设计。
densometer: Itstrument that measures the air resistance of an area of paper. 透气度计:量度一面积的纸骊空气的阻力的仪器。
Dual-energy X-ray bone densometer in measuring the changing rate of minimal bone mineral density in vertebra with clinical significance under different conditions 双能X射线骨密度仪测量不同条件下椎骨有临床意义的最小骨密度变化率
