英语翻译The connection need not be via a copper wire;fiber optics,microwayes,and communication satellites can also be used.
问题描述:
英语翻译
The connection need not be via a copper wire;
fiber optics,microwayes,and communication satellites can also be used.
答
该连接无须通过电线,光导纤维线,超声方式或通讯卫星亦可使用.