A、Airspeeds used in this Section shall be specified in Indicated Airspeed, assuming zero instrument error, in order to make the information as directly usable as possiblE. B、This Section shall use Indicated Airspeed as Airspeed, i.E. the instrument is mostly accurate, so the information can be used directly. C、Airspeed used in this Section shall be defined as Indicated Airspeed, that is, the instrument is almost right, so as to make the information possibly be used directly.