释义 n.[物][计量]兆周(等于 megahertz) 实用短语megacycle per second兆赫,兆周neogaic megacycle新地区旋回megacycle region兆赫波段,兆赫汉段megacycle computermegacycle e巨旋回,兆周mc megacycle兆周m megacycle