clockern.赛马预赛时计速员；计时员clockn.时钟v.计时；打卡clock counter时钟计数器clocking cell时钟节拍传送单元clock circuit同步脉冲电路,钟脉冲电路clock overtime[经] 超额工时的工资clock readings时钟读数clock polarity时钟极性clock waveform时钟波形clock pendulum钟摆clock location时钟定位标clock modeling钟模型化