optical stop的用法和样例：
例句
- The physical stop which corresponds to the entrance window is then the required field stop.
入射窗所对应的实物光阑就是所要求的场光阑。 - By using this analytical method, propagation and transformation characteristics of light beams through an apertured ABCD optical systems are analyzed analytically.
利用解析方法详细分析了激光光束在带光阑光学系统中的传输和变换特性。
