英:[ˈæŋɡl ɔv ˌeləˈveɪʃən]
美:[ˈæŋɡəl ʌv ˌɛləˈveʃən]
英:[ˈæŋɡl ɔv ˌeləˈveɪʃən]
美:[ˈæŋɡəl ʌv ˌɛləˈveʃən]
noun phrase
the angle formed by the line of sight and the horizontal plane for an object above the horizontal
noun phrase
the angle formed by the line of sight and the horizontal plane for an object above the horizontal
仰角
The first known use of angle of elevation was in 1686
angle of elevationnoun
the angle formed by the line of sight and the horizontal plane for an object above the horizontal
1 When a position gyro is used in the pitch plane the missile is usually launched at a set elevation.
当位置陀螺用在俯仰通道上的时候,导弹通常以一个设定的仰角发射。
2 Back at the lab, technicians assign the frames latitude, longitude and elevation coordinates from U.S.Geological Survey ground references and scan dozens of frames into a computer.
回到实验室,技术人员会参考美国地质调查所的地面资料,指出画面拍摄的经纬度与仰角坐标,并把数十张画面扫描到电脑里。