The spring-driven gear mechanism inside a clock, toy, or device

• A mechanical movement regulated by an escapement

时钟、玩具或装置内的发条齿轮机构

• 由擒纵机构调节的机械传动

The quality of operating with precise, predictable regularity

• Mechanical, automatic action resembling a clock

以精确、可预测的规律运行的特性

• 像钟表一样机械而自动的运作

Driven by a spring-and-gear clockwork mechanism

• Operated mechanically without electricity or batteries

由发条齿轮机构驱动的

• 机械运行的，不用电或电池

Very regular, reliable, and efficient in operation

• Smoothly timed and coordinated

运行非常规律、可靠且高效的

• 计时与协调十分顺畅的