Islanding detection is a mandatory function for grid - connected photovoltaic ( PV ) converters .孤岛检测是 光伏 并网逆变器所必备的功能.Series 6 SG 70 SIMOTRAS HD converters are characterized by their compact, space - saving construction....
Regis : You loved it, even as a kid , eh?你爱它 吗 ?当你是个孩子的时候?Regis: Did you play when you were a little boy?当你是个小男孩的时候你玩 吗 ?Regis : From Harvard University, and on the tour right now.来自哈佛大学的, 今晚在这....
Meanwhile, as NPR's Margot Adler reports, police on high alert.同时, 据NPR的玛戈·阿德勒报道, 警方保持高度警戒.When something happens anywhere in the world, NPR digs up an expert from someplace or other...世界上任何一个角落一有新闻发生，全国公共广播电台就会不知从什...
The small churchyard was surrounded by a rusted wrought-iron fence.不大的教堂墓地周边围着一圈生锈的熟铁栅栏。The rattan and wrought-iron chair pictured here costs £125.这张图片中的铁艺藤椅要价125英镑。The gates were made of wrought iron.这些大门是用熟铁制成的。...