celestial navigation造句怎麼寫

Commercial USES for mathematical workstations are vast: from basic engineering to designer drugs and from gene therapy to celestial navigation, mathematics rules the world.

Celestial navigation is an important means for accurate navigation, and the apparent place of celestial bodies is an important data of the celestial navigation.

celestial navigation

China is an old country, its ancient people had knowledge of distant seas and of celestial navigation.