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单选,5分] 对三角形进行5次等精度观测,其真误差(闭合差)为:+4″;-3″;+1″;-2″;+6″, 则该组观测值的精度( )
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单选,5分] 对三角形进行5次等精度观测,其真误差(闭合差)为:+4″;-3″;+1″;-2″;+6″, 则该组观测值的精度( )
A、不相等
B、相等
C、最高为+1″
D、以上都不对
时间:2021-09-03 16:17
关键词:
联大
河南理工大学
采矿工程
矿山测量学
答案解析
B@#@B
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