Magnetic navigation assisted cardiac interventions technique is the most advanced and innovative technology in the world.
利用磁导航技术辅助心脏介入治疗是目前世界最先进的创新性技术。
Aiming at the competition of smart cars for students in universities and colleges of the whole country, the magnetic navigation system has been developed.
针对全国大学生智能汽车竞赛，研制了磁导航智能车系统。
Kuo discovered that compasses do not point true north but to the magnetic North Pole. This was a decisive step to make them useful for navigation.
沈括发现，指南针并不是真正的指向北方，而是指向地磁的北极，这对指南针用于导航走出了决定性的一步。
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