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单词
primary frequency
释义
primary frequency
primary frequency
[
′prī‚mer·ē ′frē·kwən·sē
]
(communications)
Frequency assigned for normal use on a particular circuit or communications channel.
primary frequency
The radiotelephony frequency assigned to an aircraft as a first choice for air-ground communications in a radiotelephony network.
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更新时间:2026/6/25 21:11:01