In this paper, the theory of dynamic on earth fluid core model are described, and the influence of the Fluid Core on nutation is analysized.

对液核地球模型的一般理论进行了研究， 并计算了液核对章动振幅的影响。

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On Earth, heat from the solid inner core drives complex fluid dynamics through convection in the planet's molten outer core, causing an electrical charge which generates a global magnetic field.

在地球上，从坚固的内磁芯的热量通过与炽热的外磁芯核的对流而形成流体动力，引起了电荷，进而由电荷产生了全球的电磁场。

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Therefore, we have defined CIP axis of fluid core Earth and resolved it.

由此定义液核地球的CIP轴，并对其进行解算。

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The research could help test simulations of how the outer, fluid core generates the Earth's magnetic field, which shields our planet and the teeming life on it from harmful cosmic rays.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust