arc of meridian

网络释义

1.	子午线弧 36测量学_馆档网 ... "纬度弧"," arc of latitude" "子午线弧"," arc of meridian" "摆弧"," arc of oscillation" ... www.guandang.com

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英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。