【单选题】两耦合电感线圈,若两线圈电流均从同名端流入,则耦合线圈的磁通是
【判断题】In English speaking countries, you don’t need to make an appointment before paying a visit to somebody.
【判断题】When you paraphrase an author, you don’t need to give him or her credit.
【单选题】When you paraphrase an author, you don’t need to give him or her credit.
【判断题】When you paraphrase an author, you don’t need to give him or her credit.
【判断题】当出现需求推进的通货膨胀时,国家货币当局可以增加货币供给量来抑制它。