“portable meridian circle”概念、定义、翻译-科学时代

单词	portable meridian circle
释义	天文学词汇手册 portable meridian circle 轻便子午环
随便看	landmark district landmark forest landmark knowledge landmass land mass land mass land mobile-satellite service land mortgage credit land mustard land occupancy charge land occupancy charge land occupation act Land-Ocean Interactions in the Coastal Zone（LOICZ） Land of Beulah land of milk and honey land of Nod，the land of nothing Land of Promise，the land of uncertain ownership Landolt ring Landon，Alfred Mossman land option Landouzy-Grasset law land ownership land ownership

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。