擒纵轮不断地被擒纵叉阻止和释放，与钟摆的周期相一致地运转。
The escapement wheel is blocked in turns by each pallet-stone and freed at each oscillation of the regulator through the fork and balance. Concurrently the pallets keep the oscillator running.
钢质零件最容易被磁化，包括擒纵轮和擒纵叉，还有游丝，磁力会影响和干扰摆轮的震荡周期。
Steel parts are most likely to be magnetized, including escapement wheel and escapement fork, and spring will affect and balance the magnetic interference oscillation cycle.
接着他要完善的是叉瓦式擒纵机构。叉瓦式擒纵机构1754年由英国制表师Thomas Mudge发明，从那以后就广泛运用于大部分表中。
Now he had to improve on the lever escapement, which had been invented in 1754 by the English horologist Thomas Mudge and used in most watches since.
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