recrnn.改造(休养)RECabbr.录制（=record)reclamation of material废料利用recombination structure重组结构rectification hardening矫正淬火Rectified brick tar oil精馏砖焦油reciting but no singing不歌而诵reconciliatory function和解功能recalculate before savev.保存前重算reconfigurable antennas可重构天线receiving data sequence接收数据序列reciprocating mechanism曲拐机构