目前它们被发现在一些碰撞和研磨中产生，可见程度无非是高中实验室显微镜的水平。
Now they've been found in something that bumps and grinds, visible with nothing fancier than a high school lab-issue microscope.
这种警示性荧光是在荧光显微镜下可见的小蓝点。
The warning glow of small blue dots can be seen under a fluorescent microscope.
光学显微镜的放大倍数受限于可见光的波长，大约500纳米。
The power of a light microscope is limited by the wavelength of visible light, which is about 500 nm.
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