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单词
propagation path
释义
propagation path
propagation path
[
‚präp·ə′gā·shən ‚path
]
(communications)
A path between receiver and transmitter including direct tropospheric scatter, ionospheric scatter, E-layer skip, and F
1
-layer and F
2
-layer skip and echo.
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sound truck
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sound velocity profile
sound, velocity, temperature & pressure
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sound vision audio visual
sound vocalization
sound volume velocity
sound w
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sound wave therapy
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soundwire
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更新时间:2026/4/15 14:01:41