RECPTabbr.收到;收据(=receipt)
RECabbr.录制(=record)
receiving paraboloid抛物面接收天线
reciprocating column往复式塔
reciprocity constant互易常数
reconciling database协调数据库
recombination repair重组修复
rectilinear drainage直线形排水系统
recalcification time复钙时间, 再钙化时间
rectification factor整流因数
recombination signalRS
Recamier's operation