stray light的用法和樣例：
例句
- Direct light is better for reading than diffuse light.
直射光比漫射光更有利於閱讀。 - We now shoot out laser light into a leaf.
現在雷射光射出成葉。 - Conception of new gratings with better efficiency and lower stray light.
高效率和低雜散光的新光柵核心理念。 - The presence of stray light is indicated by the absence of complete extinction when the phase difference is such that this should be achieved.
若位差達到應當消光的程度，卻未能完全消光即表示有雜散光存在。
