射的边界表面 bounding surface: 边界面; 边界曲面bounding erosion surface: 边界侵蚀面bounding surface of fold: 褶皱界面rigid isothermal bounding surface: 刚性等温界面diffuse surface: 扩散面积; 漫反射面下载手机词典可随时随地查词查翻译