闭合导线各边坐标方位角的推算，最后推算出起始边坐标方位角，它应与原有的已知坐标方位角值相等，否则应该（）_工程测量学_全学科试题题库

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闭合导线各边坐标方位角的推算，最后推算出起始边坐标方位角，它应与原有的已知坐标方位角值相等，否则应该（）
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