复合键 meaning in Chinese
composite key
Examples
- For database composite key
复合键组合键 - You can store all different types of data in a dictionary , and this data can be accessed by name or other compound key values such as a
可以在dictionary中存储所有不同类型的数据，可以按照名称或其他复合键值（比如 - According to the system technology require , adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter , such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time , analyzing main power circuits drive circuit and protect circuit of system , completing hardware design and facture and software programming and debugging ; at last , making a whole test in hybrid rotary step motor . the experiment result indicates that this control system reaches the qualities required and run smoothly also
根据系统技术要求，采用单片机实现了混合式直流直线步进电动机的开环数字控制；利用v f变换和复合键控方法实现了系统转速等参数的数字设定；利用细分控制技术保证了电机运行的平稳性，并进行了波形分析和理论研究；采用单片机软件降速控制策略解决直线步进电机行程末端的机械冲击问题；同时对主功率电路、驱动电路和系统保护电路进行了分析，完成了硬件设计、制作和软件编程、调试，最后在混合式旋转步进电动机上进行了全面测试。