菲涅尔镜片又称螺纹透镜，镜面上刻录了大小不一的螺纹。上一代主流会采用菲涅尔镜片因为这样透镜更薄更轻，厚度很薄，通常只有几毫米，重量也大大减轻。使用螺纹镜片会有一定的牺牲，因为螺纹会影响曲率和光线聚焦。 Going along with that, because that paragraph is already a behemoth: Worse keyboard (though I love my Thinkpad keyboards) and a comparatively cheap SteelSeries Bluetooth mouse. ‘[20] The... https://coingenius.news/copyright-unveils-new-mica-stablecoin-regulations-shaping-the-future-of-european-copyright-markets/