Q: 97 (RAS/2012)
question_subject:
Science
question_exam:
RAS
stats:
0,4,18,4,15,2,1
keywords:
{'picture signals': [0, 0, 0, 1], 'television broadcast': [0, 0, 0, 1], 'angle modulation': [0, 0, 0, 1], 'frequency modulation': [0, 1, 0, 1], 'phase modulation': [0, 0, 0, 1], 'ampliture modulation': [0, 0, 0, 1]}