Recrn.接收机(收音机;受话器)
RECabbr.录制(=record)
receiving flag接收标志
rectifier nets伸长网络
reconcentrados-established by the Spanish in Cuba in 1896 but abolished by 1898 after many protests made in England, Spain and the United States (西班牙语)集中营--1896年西班牙人在古巴建立的机构,但在英国、西班牙和美国的民众抗议下于1898年被废止
receiving unit接收部分