資料來源 : pyDict

宏觀度量計; 測遠器; 測遠儀

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Macrometer \Ma*crom"e*ter\, n. [Macro- + -meter.]
   An instrument for determining the size or distance of
   inaccessible objects by means of two reflectors on a common
   sextant.