| 释义 |
子母钟zǐmǔzhōng大型企业、商场、车站等处用的成组的计时钟。其中控制、带动其他钟运转的精确的钟叫母钟,受母钟控制的钟叫子钟。{secondary and primary clocks; a group of clocks used in large enterprise, market, station, etc., of which the precision clock setting other clocks in motion is the primary clock, and the ones controlled by it, the secondary clocks} |