Based on the characteristic of constant-current driving, the authors discussed the control method for the high power LED, designed and actualized a project which has comprehensive function.
根据大功率LED的恒流驱动特性，讨论了大功率LED的驱动控制方法，设计并实现了一种功能较全面的驱动控制方案。
The paper describes development method and relative research of vehicle driving cycle, according to 863 project-study of vehicle real driving cycles of typical city.
本文以科技部863课题“典型城市车辆实际行驶工况的研究”为依托，阐述城市车辆行驶工况的开发方法及相关研究。
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