di
pole
复数形式
dipoles
1
偶极子, 双极
a pair of equal and opposite electric charges or magnetic poles separated by a small distance
2
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
- 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。
- Ham radio operators often build their own dipole antennas for better reception.
业余无线电操作员经常自制偶极天线以获得更好的接收效果。
- The dipole antenna was mounted on the roof to improve the television signal quality.
为了改善电视信号质量，偶极子天线被安装在屋顶上。
- Engineers adjusted the dipole's length to match the desired transmission frequency.
工程师调整了偶极子的长度以匹配所需的传输频率。
- Dipole antennas are popular in amateur radio due to their simplicity and efficiency.
偶极子天线因其简单和高效在业余无线电中很受欢迎。
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