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单词
primary service area
释义
primary service area
primary service area
[
′prī‚mer·ē ′sər·vəs ‚er·ē·ə
]
(communications)
The area in which the ground wave of a broadcast station is not subject to objectionable interference or fading.
Acronyms
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PSA
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l-gulonolactone
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l-gulose
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更新时间:2026/10/18 23:23:48