or optical resolution
或者光学分辨率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is the world's most powerful optical sensor, achieving up to 6400 dpi resolution without sacrificing the natural tracking feel of an optical sensor or yielding the robotic sensation of a comparable laser option.
ENGADGET: Razer DeathAdder adds 4G optical sensor, available now for $69
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