基本解释[航空、航天科学技术]透视圆锥投影词组短语短语perspective truncated conical projection 透视割圆锥投影perspective tangent conical projection 透视切圆锥投影simple perspective conical projection 透视单圆锥投影perspective conical projection更多词组专业释义航空、航天科学技术透视圆锥投影