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单词
permanent echo
释义
WordReference Random House Unabridged Dictionary of American English © 2024
per
′
manent ech
′
o,
[
Electronics.
]
Electronics
a radar signal reflected to a radar station on the ground by a building or other fixed object.
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ussr
u.s.s.s.
usss
u.s.s.s
ussuri
ussuriisk
usta
ustc
ustinov
ust-kamenogorsk
usts
ust sysolsk
ustulate
ustulation
ustyurt
usu.
usu
usual
usually
usualness
usucapion
usufruct
usufructuary
usumacinta
usumbura
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更新时间:2025/7/23 13:51:21