给出了一种新型的 单相 航空静止变流器,分析了其工作原理和特性.A novel two - stage structure of single - phase aeronautical static inverter ( ASI ) is present.摘要介绍了单相电压型三电平四象限变流器工作原理.The working principle of the single - phase voltage - source 4 - qua...
Critics and the public puzzle out the layers of meaning in his photos.评论界和公众揭开了他照片中的重重深意。He left for his summer cottage to puzzle out what he might try next.他动身到他的避暑别墅去想清楚他下一步应该做什么。She managed to puzzle out the meaning o...