Offline storage, geolocation, canvas graphics, and video/audio playback all enjoy widespread support among modern smarpthones, for example.
离线存储、地理位置、画板图形和视频/音频回放等在当前的智能手机中都享有广泛的支持。
Other changes are equally major and add video recording along with playback outside of YouTube, Bluetooth stereo audio and a much faster web browser with support for copying and pasting text.
其他改进也相当重要，比如增加了视频录制功能，支持外部播放YouTube，蓝牙立体声，还带来更快速度的Web浏览器，该浏览器支持复制，粘贴文本。
There's support for native playback of audio and video files, and the Canvas element, with support for animated 2-d polygons and text.
IE 9 Beta支持本地播放音频视频文件，支持画布元素，还支持2d多边形动画与文本。
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