| 释义 |
balance wheelnounThe regulating device in a watch or clock.Instead of a verge and foliot escapements they used a device called a balance wheel, which swung back and forth regulating the motion of the gears....- In general, any lantern clock with a balance wheel has had its escapement restored.
- This oscillation is not exactly a parallel to the balance wheel and hairspring of a clockwork watch, but the fact is that both use oscillations to keep track of passing time.
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