待解决问题 ... desttings 设置自动追踪 grid\on 开启栅格 grid 设置栅格 ...
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网格坐标航行
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格网航法
hyperbolic navigation grid 双曲线导航坐标网格
·2,447,543篇论文数据，部分数据来源于NoteExpress
By unleashing a massive pulse of electromagnetic radiation sweeping over the planet, a severe solar storm could potentially knock out the electric power grid, silence radio and satellite communications and disrupt GPS navigation systems.
FORBES: Sky Full of Trouble; Bracing for Super Solar Storms
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