向位换算(conversion of directions)是各种航向之间或各种方位之间互相变换的方法和过程。驾驶员在进行海图作业时，海图上画出的航向线和方位线都是以真北为基准计算...
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?方向换算
... 方向灯 direction light 方向换算conversion of directions 方向效应 direction effect ...
双语例句
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The equilibrium relations of energy flow in all directions and the storage magnetic field energy are pointed out during the energy transmission and conversion.