如果陀螺仪发生故障，天体导航系统就会接替它继续进行工作。
Should the gyroscopes break down, the celestial system would take over.
中国是一个古老的国家。它的古代人民具有远洋知识和天体导航知识。
China is an old country, its ancient people had knowledge of distant seas and of celestial navigation.
数学工作站的商业使用群体非常庞大：从基础工程到设计创意，从基因治疗到天体导航，数学统治着整个世界。
Commercial USES for mathematical workstations are vast: from basic engineering to designer drugs and from gene therapy to celestial navigation, mathematics rules the world.
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