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- X线密度计 roentgen densitometer; X-ray densitometer
- X线密度计，X线黑度计 x-ray densitometer
- 线 thread
- 在线 in-line
- 在线密度计校准及计量应用 Application of On-line Densimeter Calibration and Metering
- 光密度测定法，X线 Densitometry X-ray
- X线密度 X-ray density
- 计算机X线片放射密度法 Bone radiography density method with computer- assisted X- my film
- 测线密度计 line densitometer
- X线密度法 roentgen densitometry
- X线人类学 roentgenographic anthropology
- 在线密度计 on-line densimeter
- 透X线 Pass through X - ray
- 下表中光栅的排列顺序为,首先是曲率,其次是刻线密度。 The gratings in the following table are ordered first by curvature and second by groove density.
- X线两档 Two X-ray energy modes
- 高线密度 high linear density
- X线系统 X- ray system
- 电场线密度 Density of electric field line
- X线量计 fluoremeter; fluorimeter; fluorometer; photoradiometer; skiameter; technometer; X-ray radiometer
- 短线密度 Short line density
