题目内容

国家控制网是全国各种比例尺测图的基本控制,并为确定地球的形状和大小提供研究资料和信息。()

A. 对
B. 错

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闭合导线各边坐标方位角的推算过程中,最后推算出起始边的坐标方位角,应与原有的已知坐标方位角相等,否则应重新检查计算是否有误。()

A. 对
B. 错

分别平差法导线网单结点平差计算中,坐标增量是用经过平差后的方位角计算的。()

A. 对
B. 错

已知A、B两点的坐标,求A、B两点连线的方位角及水平距离的过程叫坐标反算。()

A. 对
B. 错

Questions are based on a conversation between a travel agency executive and a journalist. You now have 20 seconds to read Questions. According to the woman, what's the difference between going to Third World countries and staying the west()

A. One should have more sleep before going to Third World countries.
B. One should make more preparations before going to Third World countries.
C. There will be no jet lag problem when travelling in the west.
D. One should drink only water when staying in those exotic places.

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