【单选题】178 A satellite navigation system with global coverage may be termed as navigation satellite system or_____.
【单选题】Global navigation satellite system is ____ system.
A.
autonomous geo-spatial positioning
B.
passive geo-spatial positioning system
C.
electronic navigational chart
D.
Electronic Chart Display
【简答题】China’s Navigation Satellite System (GPS) is called _____.
【单选题】近年来,由于汽车工业迅速发展,新建的大型车身冲压车间,其厂房结构和平面布置,有以下()特点:①利用压力机的带形基础,建成二层楼的冲压车间,带形基础的钢梁上(即车间楼上)为压力机生产线,属于冲压生产系统,在带形基础的地沟内设废料处理系统,车间楼下为钢板卷料储存仓库。②钢板卷料通过专用轨道从楼上进入冲压车间,冲压废料通过另一条专用轨道从一楼送出冲压车间。③零件先进入集装箱,用叉车送到高架仓库,然后再分...
【简答题】Why has “Ms” become a more popular term to address a woman?
【单选题】Besides GPS, now there are three kinds of satellite position navigation system in the world. They are: global navigation satellite system of former Soviet Union, Galileo system of European Union (UN) ...
【简答题】相贯线是互相贯穿的两个形体表面的 ,也是两个相交形体表面的