Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it – only the code that is actually holding the reader can.
5 transform chain。关于这个话题，safew官方版本下载提供了深入分析
，详情可参考91视频
旅行中，一些外国人成为中国新故事的讲述者。格里夫妇在重庆旅行期间，拍摄制作了多条短视频，既有李子坝奇特的“单轨穿楼”，也有错落有致的立交桥，展现了山城的现代风貌。
Fast forward a year: they get a new phone and set up the messaging app. They aren’t prompted to use a passkey because one no longer exists in their credential manager. Instead, they use phone number verification to recover their account. They are then guided through the “restore backup” flow and prompted for their passkey.，推荐阅读同城约会获取更多信息
具体来说，超广角镜头将默认接管视频拍摄，35mm 镜头则作为日常拍照的主力，再搭配一颗高素质长焦，维持了经典的三摄阵容。同时，2 亿像素方案也拓展到了另一颗镜头上，拉起了双两亿的硬件阵营。