双语例句原声例句
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但是只要两条边的长度有一丝不同，光电探测器将记录下分光的轨迹。
But if there is any difference between the lengths of the two arms, some light will travel to where it can be recorded by a photodetector.
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There it is. He used the prism spectrograph to analyze his results. So what do we have here?
在这里，他用了棱镜分光图来分析他的结果,得到些什么呢？
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