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单词
Distress Signals
释义
distress signal
(遇难船只或飞机等发出的)求救信号,遇难(呼救)信号(如SOS)[参较distress call]
(病人等的)危急求救信号(或呼号)
(尤指不用语言传达的)求援信号
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geodetic coordinates
geodetic datum
geodetic dome
geodetic equator
geodetic graph
geodetic gravimetry
geodetic height
geodetic latitude
geodetic leveling
geodetic line
geodetic longitude
geodetic meridian
geodetic meridian plane
geodetic parallel
geodetic position
geodetic precession
geodetics
geodetic satellite
geodetic satellites
geodetic survey
geodic
geodimeter
GEODSS
geoduck
geoducks
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更新时间:2026/7/10 22:07:31