英语词汇numerical aperture, NA的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	numerical aperture, NA
释义	numerical aperture, NA 释义 [通信]数值孔径行业词典通信数值孔径???临界光锥的一种数值表示，即临界光锥顶角的一半的正弦值。???
随便看	forward-looking infrared laser sensor forward looking infrared radar forward-looking infrared sensor forward looking infrared sensor forward-looking infrared system forward looking infrared system forward-looking infrared system, FLIS forward looking infrared unit forward looking ir forward looking ir (flir) forward looking laser radar forward looking laser sensor forward-looking laser sensor forward-looking methodology forward-looking multimode radar forward looking radar forward looking radar (flr) forward-lookings forward looking scanner forward-looking sensor forward lookup forward loop forward loss forward lunge forward lunge standing

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numerical aperture, NA