derailleur

n.

（自行车）变速器，装有变速器的自行车；

Derailleur
Optimum design for artificial neural networks: an example in a bicycle derailleur system
Visual information as a conversational resource in collaborative physical tasks
Improving forecasting performance by employing the Taguchi method
Impaired word-stem completion priming but intact perceptual identification priming with novel words: evidence from the amnesic patie...
Dietary Phytochemicals in Cancer Prevention and Treatment
Gear shift device for bicycles
Complex-shaped carbon fiber structural member and its method of manufacture
Improved pneumatic shifter for multi-speed bicycles.
Bicycle shift control device