Dipole
01
偶极子, 双极
a pair of equal and opposite electric charges or magnetic poles separated by a small distance
语法信息
有生性状态
无生命
形态构成
简单词
可数
复数形式
dipoles
02
偶极子, 偶极天线
a simple type of antenna made of two metal rods, connected in the middle, that is half the wavelength of the signal it transmits or receives
例子
The radio station uses a dipole antenna to broadcast signals over a wide area.
广播电台使用偶极子天线在广阔的区域广播信号。
