羅經(jīng)差compasserrorbycelo-observation: 天測(cè)羅經(jīng)差compassed the earth: 環(huán)繞地球compasserrors: 羅經(jīng)差羅經(jīng)誤差; 羅經(jīng)誤差compassdirection: 羅經(jīng)方位compasses: 分規(guī); 兩腳規(guī),圓規(guī); 指南針下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯