electromagnetic energy短语³⁸⁹⁹⁵ 基本例句 电磁能 Directed- energy weapons— military-grade laser cannons — have been a military dre a m for decades, along with guns that fire their munitions with bursts of electromagnetic energy. 定向能源武器—军用级激光炮，以及发射军火时同时爆发电磁能的枪支，几十年来一直是军事梦想。 blog.sina.com.cn