在MTF文本中可以以看到,但不知道怎么提取出来 %b-;Rn
FIELD (X,Y)=( 0.00, 0.61)MAX, ( 0.00, 65.00)DEG Q8DQ .C
RELATIVE ILLUMINATION = 45.0 PER CENT 4Rrw8Bw
ILLUMINATION (UNIT BRIGHTNESS) = 0.022769 BZ\EqB
DISTORTION = -16.31 PER CENT AT8B!m
RELATIVE ILLUMINATION = 45.0 PER CENT 850.0 NM 1 1180 Ybn=Gy
ILLUMINATION (UNIT BRIGHTNESS) = 0.022769 830.0 NM 1 1236 mTXNHvv
DISTORTION = -16.31 PER CENT