GPS卫星导航仪启动后,选用的大地坐标系是()。A.WGS72 B.WGS84 C. 发布时间:2017-07-25 03:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: GPS卫星导航仪启动后,选用的大地坐标系是()。A.WGS72B.WGS84C.TOKTO1941D.OSGB1936
题型:单项选择题 读一读,判断句子表述是(√)否(×)正确。( ) 1. The traffic lights have three colours.( ) 2. Red is stop and yellow is go.( ) 3. When (当……时) the traffic light is blue, you can go. 查看答案