Different color of reflected light can be observed in experiments, when the same kind of ultraviolet light respectively irradiates the fluorescent mark of true and false currency.
首先通过观察实验发现在同一种紫外光分别照射真假币荧光标记时，反射光的颜色不同。
But unlike its predecessors, Scale doesn't also wash away the signals of fluorescent proteins, which scientists use to mark neurons, blood vessels, and other small structures in the body.
但Scale与以前用的试剂不同，它不会洗去荧光蛋白的信号，这样科学家就可以通过荧光蛋白标记神经元、血管和其他的细微身体结构。
A fluorescent layer arranged in the inner part can play the navigational function, and the color can be changed as a special mark.
其内部的荧光层，可起到导航的作用；还可改变其颜色作为专用标志之用。
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