angle of incidence 入射角
angle of elevation 仰角
angle of depression 俯角
1. The angle of inclination of the ramp is 15 degrees.
坡道的倾斜角度为15度。
2. We need to calculate the angle of inclination of the roof.
我们需要计算屋顶的倾斜角度。
3. The slope's angle of inclination affects how fast the water flows.
坡面的倾斜角会影响水的流速。
A: What is the angle of inclination of this ramp?
A：这个坡道的倾斜角度是多少？
B: It is about 10 degrees, making it safe for wheelchairs.
B：大约是10度，这使得轮椅通行很安全。
1) 描述平面或线条相对于基准面的倾斜程度
2) 在工程和几何学中用于描述坡度或倾角
1. 倾斜角
e.g.
The angle of inclination of the plane is measured in degrees.
平面的倾斜角是以度为单位测量的。
noun phrase
1. The angle at which a surface or line is tilted or sloped relative to a reference plane.