a reflecting surface

• 反射面

a reflecting surface的用法和样例：

例句

1. Pairs of such reflecting surfaces are known as etalons.
   这样一对反射面通常称为标准具。
2. The planes of the wave front and the reflecting surface are also normal to the plane of the figure.
   波阵面的诸平面与反射面都与图面垂直。