quadrant angle of elevation

例句：

1. 1. The pilotused a quadrant to determine theangle of elevation.
   飞行员使用四分仪来确定仰角。
2. 2. The surveyor measured the elevationangle to ensure the accuracy of the construction.
   测量者测量了仰角以确保建筑的准确性。
3. 3.The carpenter adjusted the angle ofelevation to align the roof with the house.
   木匠调整了仰角，使屋顶与房子对齐。