... ·象素质量/在上面的句号怎么打成像质量（Pixel Quality） ·显微透镜（Microle es） ·手动对焦（Manual Focus） ...
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几百年来最普通最常见的显微镜使用的仍然是最古老的硬件：透镜。
After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens.
可你能不能抛掉透镜，发明适用于手机的显微镜呢？
But what if you could do away with that lens and create a microscope that fits on a cell phone?
在十九世纪20年代，能够消除色差的透镜被发明出来，他们和显微镜的结合应用给研究者提供了有史以来最清晰的组织标本图像。
In the 1820s, achromatic lenses were developed, and their use in compound microscopes provided investigators with the clearest images yet of tissue samples.
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