【简答题】在 A 点量取经纬仪高度 i=1.400m ,望远镜照准 B 点标尺,中丝、上丝、下丝读数分别为 v=1.400m,b=1.242m,a=1.558m,α=45° ,试求 A 、 B 两点间的水平距离 D 和高差 h 。
【简答题】在A点量取经纬仪高度i=1.400m,望远镜照准B点标尺,中丝、上丝、下丝读数分别为v=1.400m,b=1.242m,a=1.558m,α=3°27 ́,试求A、B两点间的水平距离和高差。
【单选题】Make( )copies of important files, and store them on separate locations to protect your information.
【单选题】HBVDNA定量达多少以上可以提示复制活跃
【判断题】Copies of your important documents and credit card should be kept in another bag.
【多选题】Which measures are suggested in the video of unit 15 when you need to make copies of your learning materials?
A.
Manage to get digital copies.
B.
Remember the content instead of print it.
C.
Print on both sides of the paper.
D.
Borrow other students' copies.
【单选题】导游人员职业道德规范中的( )是导游员必须遵守的一项道德规范,也是社会各行各业都必须遵守的基本行为准则
【单选题】I would appreciate very much if you could send me a few copies of the mechanic design of your new model.
【多选题】在A点量取经纬仪高度i=1.400m,望远镜照准B点标尺,中丝、上丝、下丝读数分别为v=1.400m,b=1.785m,a=1.015m,竖直读数为60°,则下列说法正确的有(),数字取位至cm