介绍了快速调出白光条纹的方法，分析了为什么白光干涉条纹的中央条纹有的是暗条纹，而有的却是亮条纹。
The text writes about the methods of quick adjusting the fringes of white beams and analyses the reason why some of the fringes of white beams in center are light fringes and some are dark fringes.
介绍了快速调出白光条纹的方法，分析了为什么白光干涉条纹的中央条纹有的是暗条纹，而有的却是亮条纹。
The text writes about the methods of quick adjusting the fringes of white beams and analyses the reason why some of the fringes of white beams in center are light fringes and some are dark fringes.
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