... audio aids听觉教具;视助教材 fixing aids定位设备 debug aids调试辅助程序 ...
基于64个网页-相关网页
radio fixing aids 无线电定位设备
TAP radio fixing aids 无线电定位设备
radio-fixing aids 无线电定位辅助
·2,447,543篇论文数据,部分数据来源于NoteExpress
As satellite navigation AIDS became widely used on vessels in the past few decades, many officers have neglected the traditional practice of celestial fixing.
近十几年来,自卫星导航仪较为普遍地被各类船舶装备和使用后,不少船舶驾驶员已置天文定位于不顾之境地。
youdao
应用推荐
模块上移
模块下移
不移动