A system of gears which transmits motion from one shaft to another.
齿轮系, 齿轮组
Example sentencesExamples
They can be used in designing gear trains, including those that might be found in a planetarium to simulate the relative motion of the sun and moon around Earth.
This moves an oscillating weight that drives a rotor via a tiny gear train.
Also, the gear train of a mechanical watch is under constant load from the mainspring whereas the gear train in a quartz watch is not under any load.
The first things to go in were the engines, a job that required a lot of measuring and development of a gear train to match their output to the belts and shafts that drove the looms.
Traditional electric-motor gear trains sacrifice speed for torque, or vice versa.