基本解釋弧分度同根派生 arcminute相關(guān)詞英漢例句At that distance, this 30 arcminute field of view spans almost 50 light-years. 根據(jù)這個(gè)距離，這張30角分的影像區(qū)域覆蓋大約50光年。arcminute更多例句