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角秒 jiăo miǎo (liàng dù jiǎo dù de dān wèi, jí jiăo fēn de liù shí fēn zhī yī)
archit. angular second (= 1/60角分)
space arc second (角度测量单位)
tech. angular second; second of arc
角秒1 角秒 = 1/60 角分 jiăo miǎo (liàng dù jiǎo dù de dān wèi, jí jiăo fēn de liù shí fēn zhī yī)
shipb. angular second
角秒=1/60 角分 jiăo miǎo (liàng dù jiǎo dù de dān wèi, jí jiăo fēn de liù shí fēn zhī yī)
tech. angular second