例句與造句

1. Visual line of position
   目測位置線
2. H means the river front construction , d means the distance between river front constructions and river bank , d " means the distance between river front construction and the river bank on the other side , a means the angle of the visual line from the spot near the river bank and horizon
   本文總結“濱河恒等式” ，針對城市骨干河流水系(河寬大于或等于40米)控制其空間圍合度。 h (濱河建筑高度) ， d (濱河建筑離河岸距離) ， d (濱河建筑離河對岸距離) ， (人在河邊看河對岸景物仰視角度) 。
3. It's difficult to find visual line in a sentence. 用visual line造句挺難的