例文
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- A common example is the half-wave dipole.
- The ordinary half-wave dipole is probably the most widely used antenna design.
- A half-wave dipole has an effective area of 0.13 \ lambda 2.
- AO-6 had a 1.3 watt transmitter into a half-wave dipole antenna.
- Near the rear is a single active element, typically a half-wave dipole or folded dipole.