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地物回波
地物回波
avia.
hash
el.
permanent echo
geol.
permanent echoes
|
图
Z 图
math.
Z-chart
to phrases
地物回波
avia.
hash
el.
permanent echo
tech.
background return
;
clutter
;
ground clutter
;
ground echo
;
radar clutter
地物回波
固定目标回波
geol.
permanent echoes
地物回波:
3 phrases
in 2 subjects
Air defense
1
Space
2
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