中文: (irr 的复数) abbr. infrared rays 红外线; irregular 不规则的; infrared reflectance 红外反射; irredeemable (公债、纸币等)不能偿还的
中文: abbr. infrared system engineering 红外系统工程; Institute of Refrigeration Service Engineers 制冷工程师学会; infrared stimulated emission 红外受激发[辐]射; Institution of Railway Signal Engineers <英国>铁路信号工程师学会
中文: abbr. Infrared Search and Track 红外线探测与追踪; infrared search and tracking 红外搜索与跟踪; infrared signal translator 红外信号转换器
中文: abbr. infrared temperature 红外线温度计; integrated retail terminal 集成零售终端; intermediate range technology 中程工艺; interrogator responder transponder 询问应答收发机