secondary electric clock中文是什么意思

• 子电钟

• secondary    adj. 1.第二(位)的，第二次的；中级的 (opp. ...
• electric clock    电钟。
• secondary clock    子钟
• secondary clock; slave clock    子钟
• master and secondary clock    子母钟
• pedestal type secondary clock    座式子钟
• polarized secondary clock    有极子钟
• primary secondary clock    子母钟
• primary-secondary clock    子母钟
• annunciator electric clock    报信号电钟
• automatic electric alarm clock    自动电闹钟
• control electric clock    主控电钟
• controlled electric clock    子电钟
• controlling electric clock    主控电钟
• crystal electric clock    石英电钟
• desk type electric clock    台式电钟
• electric alarm clock    电闹钟
• electric clock synchronizer    电钟同步机; 电钟同步器
• electric clock system    电钟系统
• electric crystal clock    电晶体钟; 电子钟
• electric master clock    主电钟
• primary electric clock    母电钟
• pulse type electric clock    脉冲式电钟
• quartz crystal electric clock    可调石英晶体电钟
• quartz-crystal electric clock    石英电钟