齿条齿轮跟踪系统可快速调节凸出的轴。
Rack & pinion tracks for quick adjustment for extended mandrels.
为解决大齿轮在机测量过程中采用比例驱动跟踪测量技术时转角脉冲当量过大的问题，研究开发了可编程动态倍频器。
To solve the problem of exaggerated angle pulse in the ratio driving and tracing measuring technique in testing in situ for large gears, the programmable dynamic frequency doubler has been developed.
摘要：为了实现特大型齿轮精密测量，介绍了作者提出的特大型齿轮激光跟踪在位测量原理，重点阐述了其中的几项关键技术。
Abstract: To perform precise measurement on mega gears, the principle of mega-gear in-site measurement system with laser tracker and corresponding key techniques are originally introduced.
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