Recean.雷恰(在罗马尼亚;东经 22º52' 北纬 44º20')
RECabbr.录制(=record)
reclamation project围垦工程
rectifier photocell整流光电管
receiving objective接收物镜
rectilineal tracery垂直式花格窗
reciprocating grate往复炉篦
reciprocating cycle往复周期
rectilinear current线性电流
recuperation center康复中心
reclamation economy农垦经济
recombinant vaccine重组疫苗