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弧秒
hú miǎo
stresses
tech.
арксекунда
;
дуговая секунда
;
секунда дуги
;
угловая секунда
弧秒
量度角度的单位, 即角分的六十分之一
hú miǎo
med.
угловая секунда
弧 秒
:
3 phrases
in 2 subjects
Astronomy
1
General
2
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