Recean.雷恰(在罗马尼亚；东经 22º52' 北纬 44º20')RECabbr.录制（=record)recombination agent复合剂reciprocating lever往复杆reclamation of land土地垦拓recirculation water回流水Reccanbinant vector重组表达载体reciprocating screw往复螺杆receiving quotation应收汇价receiving data item接收数据项recombinant vectors重组载体reciprocating force往复力