例句與造句

1. Many astronomical and navigational computations use it as a surface representing the Earth.
2. The searchers soon found clues that the spacecraft was seriously off course because of an error in the navigational computations made at JPL, said NASA's Richard Cook, project manager for Climate Orbiter ground operations at the Pasadena facility.
3. Instead, NASA believes, an error in the Climate Orbiter's navigational computations placed the space craft on a bad course that took it to an altitude of 35 miles, too close to the surface to withstand destructive atmospheric forces.
4. It's difficult to find navigational computations in a sentence. 用navigational computations造句挺難的