As a vehicle rattles toward the tent, two young men emerge, their long black hair horizontal in the wind.
两位牧民骑着马向帐篷这儿奔驰而来，他们的长发在风中飘扬。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
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