例句與造句

1. The First Officer discusses the limiting altitudes and DME distances to be observed.
2. Balloon-borne telescopes have the disadvantage of relatively low altitude and a flight time of only a few days . However, their maximum altitude of about 50 km is much higher than the limiting altitude of aircraft-borne telescopes such as the Kuiper Airborne Observatory and Stratospheric Observatory for Infrared Astronomy, which have a limiting altitude of 15 km.
3. Balloon-borne telescopes have the disadvantage of relatively low altitude and a flight time of only a few days . However, their maximum altitude of about 50 km is much higher than the limiting altitude of aircraft-borne telescopes such as the Kuiper Airborne Observatory and Stratospheric Observatory for Infrared Astronomy, which have a limiting altitude of 15 km.
4. It's difficult to find limiting altitude in a sentence. 用limiting altitude造句挺難的