检验经纬仪的横轴是否垂直仪器竖轴时,应使望远镜瞄准________。
用光学经纬仪测量水平角与竖直角时,度盘与读数指标的关系是________。
导线测量角度闭合差的调整方法是________。
测量的三项基本工作是:________。
普通水准测量,应在水准尺上读取________位数。
经纬仪对中误差所引起的角度偏差与测站点到目标点的距离________。
如果望远镜的十字丝不清晰,需调节________螺旋。
经纬仪的视准轴不垂直与横轴,则望远镜纵转时将扫出一个________。
下列仪器或工具中,不能用来画线的是________。
正平面必然垂直于________。
检验经纬仪的横轴是否垂直仪器竖轴时,应使望远镜瞄准________。
对高程测量,用水平面代替水准面的限度是________。
一点到两目标的方向线垂直投影到水平面上的夹角称为:________。
He asked me ___________ Zhang Hua came to school or not.
— What would you like to have, meat or fish?
— _____________________.
按组织内部是否有正式的分工关系,人们把组织分为________。
— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?
— _________________
It's ___________ to point to or talk about strangers in public.
— ___________________
— Once or twice a week.
— Which city has _________population, Beijing, Guiyang or Nanchang?
— Beijing, of course.
— Which city has _________population, Beijing, Guiyang or Nanchang?
— Beijing, of course.
— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?
— _________________
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