HD 是high definition的缩写（高清）720P以上的格式就叫HD。 全高清（full HD）就是1080P。 超清 同时支持高清及标清的统称称为超清（super definition）标清是720P以下 。 蓝光 又称 蓝光盘 或蓝光高清 分辨率高于1080P。 2K分辨率 目前可以分为这三种2560×1440 2048×1536 2560×1600。 Thousands of hd images to choose from. Free high resolution picture download. Over 5.7 million+ high quality stock images, videos and music shared by our talented community. Find images of Hd Royalty-free No attribution required High quality images. Download and use 7,000+ Hd stock photos for free. Thousands of new images every day Completely Free to Use High-quality videos and images from Pexels Discover Getty Images ' unrivalled collection of royalty-free images to find the perfect stock photo, vector or illustration that resonates with your customers.
