【单选题】【消耗次数：1】
电子经纬仪区别于光学经纬仪的主要特点是？
①
使用光栅度盘
②
使用金属度盘
③
没有望远镜
④
没有水准器
参考答案：
复制
纠错
相关题目
【单选题】
旋转光学经纬仪的望远镜时，竖盘？。
①
随望远镜旋转，竖盘读数指标不动
②
不动，竖盘读数指标随望远镜旋转
③
不动，竖盘读数指标也不动
④
与竖盘读数指标都随望远镜旋转
【多选题】
某经纬仪盘右视线水平时读数为270°，将望远镜物镜抬高后知竖盘读数R在增大，则此经纬仪盘右竖直角计算公式为（ ）。
①
270°-R
②
R- 270°
③
R- 270°
④
–R
随机题目
【单选题】
When you are______, sit at the front edge of the chair, leaning forward slightly.
①
seated
②
fixed
③
rested
④
decided
【单选题】
_____withthesizeofthewholeearth,thehighestmountaindoesnotseemhighatall.
①
When compared
②
Compare
③
While comparing
④
Comparing
【单选题】
____________the rainny weather, they would be all right.
①
Were it not for
②
It were not for
③
Not for it
④
For it were not
【单选题】
The woman was innocent and the judge insisted that she______at once.
①
be set free
②
be setting free;
③
was set free
④
set free
【单选题】
But considering the long-standing business relationship between us, we shall ______ you a special discount.
①
grade
②
grasp
③
grant
④
glance
【单选题】
______ the storm, we should have reached our company.
①
Because of
②
In spite of
③
In case of
④
But for
【单选题】
The rug is______ much better quality. It is made of 80% cotton and 20% wool.
①
from
②
of
③
in
④
at
【单选题】
How I wish every family______ a large house with a beautiful garden!
①
had had
②
will have
③
had
④
has