Line-of-sight arc
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
stadia circle
... 视距尺 stadia rod 视距弧 stadia circle 视距计算盘 computer stadia ...
stadia arc
... stadia addition constant ==> 视距加常数 stadia arc ==> 视距弧 stadia constant ==> 视距常数 ...
be a man arc
be a man stadia arcBeaman arc ; be a man stadia arc ; be a man arc
be a man stadia arc
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