闭合导线是导线测量的一种,根据测量夹角和边长,推算出平面坐标的测量称为导线测量,常用的导线测量还包括附和导线和支导线。闭合导线就是已知一条边,测量若干个边长和夹角后又闭合到已知边的导线测量方法。通过计算平差后,可计算得到经过的未知点的平面坐标。
群论英语词汇翻译 ... 封闭条件 closure condition 闭包有限 closure finite 单体的闭包 closure of simplex ...
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闭合导线测量时,有时会出现一种假闭合现象。
When surveying the closed traverse, sometimes there appears a kind of untrue closing phenomenon.
这样,可以检核闭合导线测量的粗差和提高它的精度。
Like this, it can check the mistake and increase its precision of closed traverse's measure.
在闭合导线内业计算中,由于连接角没有检核条件,因而对连接角未进行改正。
In office calculation of closed traverse, the Angle of connection is not corrected, because there is no check condition.
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