提出水平液面式孔内电视系统测量孔斜的误差因素。
This paper discusses the factors affecting hole inclination measurement with horizontal liquid surface bore hole TV system.
采用机器视觉测量技术实现对车轮轮缘踏面磨损的在线自动检测，对提高我国铁路车轮轮对的检测水平，具有重要的现实意义。
It is significant to improve the inspection level by using machine vision measurement technology in on-line automatic inspection for train wheel flange and tread wear rates.
本发明还涉及适合于所述方法的用于测量一个料箱中的液面水平的系统。
The invention also relates to a system for measuring a liquid level in a tank suitable for said process.
用相位多普勒颗粒测速仪（PDPA）测量了颗粒的平均与脉动速度，研究了壁面粗糙度对水平后台阶气粒两相流动的影响。
The effect of wall roughness on gas-particle flows in a horizontal backward-facing step is studied using a phase-Doppler particle anemometer (PDPA) by measuring the mean and RMS particle velocities.
用相位多普勒颗粒测速仪（PDPA）测量了颗粒的平均与脉动速度，研究了壁面粗糙度对水平后台阶气粒两相流动的影响。
The effect of wall roughness on gas-particle flows in a horizontal backward-facing step is studied using a phase-Doppler particle anemometer (PDPA) by measuring the mean and RMS particle velocities.
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