| 单词 | 射角 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔angle of incidence〕The angle formed by a ray incident on a surface and a perpendicular to the surface at the point of incidence.入射角：平面上的入射线和通过入射点与平面垂直的线所形成的角美国传统〔angle of reflection〕The angle formed by a reflected ray and a perpendicular to the surface at the point of reflection.反射角：由反射线和通过反射点与平面垂直的线所形成的角美国传统〔angle of refraction〕The angle formed by a refracted ray and a perpendicular to the refracting surface at the point of refraction.折射角：由折射线和通过折射点与折射面垂直的线所形成的角美国传统〔gun〕A cannon with a long barrel and a relatively low angle of fire.大炮：有一长炮管及相对较低的射角的大炮美国传统〔incidence〕Angle of incidence.入射角美国传统 |
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