短語詞組短語Included spray angle 噴束夾角included trace angle 跡線夾角included d angle 夾角plane included angle 平面夾角included angle cosine 夾角余弦的hyperbolic included angle 雙曲夾角included angle cosine method 夾角余弦法modified included angle 修正夾角the included angle cosine 夾角余弦 返回 included angle