【单选题】【消耗次数：1】
直线AB的象限角南东1°30′，则其坐标方位角αAB为（ ）
①
1°30′
②
178°30′
③
181°30′
④
358°30′
参考答案：
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相关题目
【单选题】
A点坐标为（10、20、30），B点坐标为（30、20、30）则AB距离为______。
①
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③
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④
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铅垂线
【单选题】
某直线的坐标方位角为121°23′36″，则其反坐标方位角为()。
①
238°36′24″
②
301°23′36″
③
58°36′24″
④
－58°36′24″
随机题目
【单选题】
下列关于实物投影器的说法，正确的说法是
①
实物投影器和投影器、幻灯机的工作原理不同
②
由于实物投影器可以投影不透明材料，在教学中非常常用
③
实物投影器光源亮度大，功率高，投影效果好。
④
实物投影器由于耗电量大，温度高，在教学中已很少使用