[填空题]
You want to design a spy s6bl7 -yl6afodb2 qi;tatellite to photogr8r5 w o:vr ,qpwwdp*6gaph license plate numbers. Assuming it is necessary togr58,dpr q ww :wo*pv6 resolve points separated by 5 $cm$ with 550-$nm$ light, and that the satellite orbits at a height of 130 $km$, what minimum lens aperture (diameter) is required? D = m
