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。 [25] Mr Ikanga argued that a disciplinary hearing should have already been held for the alleged abscondment and Mrs Kruger might have decided The explanations for Ms Goagoses’ absence, s... https://coingenius.news/mpemba-effect-and-super-accelerated-thermalization-in-the-damped-quantum-harmonic-oscillator/