光分辨率（Scenery resolution） 也称为光清晰度，以每英寸点数（dpi）计算。光分辨率指扫描图像时可用的最大图像分辨率，它反映了扫描仪解析细节的能力。分辨率越高，数字图像中可见细节也越多。
光分辨率是以距离到镭射点直径的比例关系来描述的。
Optical resolution is expressed as a ratio of the distance to the resolution spot divided by the diameter of the spot.
这些超高分辨率的照片使得科学家们将质光关系的测量扩展到以前从未涉及到的范围。
These ultra-high resolution photos allowed the scientists to extend the mass-luminosity relation further than ever before.
光学相干断层扫描(oct)通常被认为是一种光学超声波，它利用近红外光形成高分辨率的图像。
OCT could be thought of as optical ultrasound.It USES near-infrared light to create high-resolution images.
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