地图扫描数字化系统中断裂线自动跟踪方法 - 中南大学学报(自然科学版、英文版) 关键字: 断裂曲线;曲线走势;干扰度;活动矩形[gap=943]Key words: broken line; the direction of line; interference; active rectangle
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the direction of the line 进线方向
direction of the broken line 折线方向
direction of the contour line 等高线的方向
direction of the surveying line 测深线布设方向
So, at some point we saw other subtle things about how to find the direction of this line that's parallel to all the planes.
这是比较微妙的,可以找出与所有平面平行的直线方向。
Think of this as being a plumb line to find... used to find the direction of gravity.
假设这是铅垂。,想想重力方向是怎样的。
This afternoon, the water off the New College of Florida campus was shallow enough at low tide that McClure could easily walk 100 yards offshore and cast his line in any direction.
这天下午,佛罗里达学院新校区附近的浅海滩,海水还很浅。马克留尔很轻松地涉水来到距岸边100码左右的地方,在这里他可以朝任何方向抛杆下钓。
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