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.
放大倍数最大的光学显微镜可以分辨细菌而不能分辨病毒。
The most powerful light microscopes can resolve bacteria but not viruses.
这个尘埃的微小颗粒是以一个比以前拍过地球以外的任何东西的显微镜倍数高得多的显微镜拍到的。
The dust particles of dust were shown at a higher magnification than anything outside of Earth that has been imaged before.
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