导线测量角度闭合差的调整方法是________。
某段距离丈量的平均值为100m,其往返较差为+4mm,其相对误差为________。
道路纵断面图的高程比例尺通常比水平距离比例尺________。
测量的三项基本工作是:________。
地面点到大地水准面的铅垂距离称为________。
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________。
对地面点A,任取一个水准面,则A点至该水准面的垂直距离为________。
高差与水平距离之________为坡度。
在以________km为半径的范围内,可以用水平面代替水准面进行距离测量。
对高程测量,用水平面代替水准面的限度是________。
测量使用的高斯平面直角坐标系与数学使用的笛卡儿坐标系的区别是________。
He asked me ___________ Zhang Hua came to school or not.
— What would you like to have, meat or fish?
— _____________________.
— 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.
11.张骞出使西域开辟丝绸之路之时,与汉朝同时的还有_____、______、______、______和笈多王朝等强大国家。
________是指访问者主动寻找与被访问者的共同之处,借以接近对方。
— 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?
— _________________
B2B水平网站的利润来源________。
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________。
在1:1000地形图上,设等高距为1m,现量得某相邻两条等高线上A、B两点间的图上距离为0.01m,则A、B两点的地面坡度为________。
水平角是:________。
钢尺的尺长误差对距离测量产生的影响属于________。
在地形图上,量得A点高程为21.17m,B点高程为16.84m,AB距离为279.50m,则直线AB的坡度为________。
测回法测水平角时,如要测四个测回,则第二测回起始读数为________。
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