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Dipole
01
偶极子, 二极子
a pair of equal and opposite electric charges or magnetic poles separated by a small distance
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
dipole
n
例子
Engineers adjusted the dipole's length to match the desired transmission frequency.
