통신영어 및 교통지리전파전자통신기사 · 2004년08월08일 · 80/100
80.Choose the wrong one that is not suitable to express the meaning of the abbreviation.(정답률:알수없음)
1
...end of transmisson
2
NIL...I have nothing to send to you
3
MSG...starting signal정답
4
CORRECTION...Cancel my last word or group