单词	基准子午线
释义	基准子午线prime meridian
随便看	reference circle reference circle of worm reference circle of wormwheel reference circuit reference civ reference climatological station reference clock reference code reference collection reference color reference colour stimuli reference column reference command number reference component reference compound reference computer reference concentration reference condition reference condition of influencing quantities and factors reference conditions reference conditions of an influencing quantity [for a residual current device] reference conditions of influence quantities reference cone reference cone angle reference cone apex