當年北鬥GPS缺高精度原子鍾,西方禁售,不得已中國也是自己搞出來了
所有跟帖:
• 還有C919 -thundersong- ♂ (0 bytes) () 04/28/2023 postreply 13:17:48
• 舉例正確! -大洋bridge- ♂ (0 bytes) () 04/28/2023 postreply 13:26:51
• 還有C919 -thundersong- ♂ (0 bytes) () 04/28/2023 postreply 13:17:48
• 舉例正確! -大洋bridge- ♂ (0 bytes) () 04/28/2023 postreply 13:26:51