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。 BeardyHat reported: RDP isn't prone to function really very well and you'd likely encounter more concerns when you managed for getting your joystick to go through. Tweety Elona Muska od ... https://coingenius.news/cybersecurity-experts-join-to-stop-coronavirus-cyber-attack-campaigns/