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Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
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Thought to be made from a cattle femur, this decorated Anglo-Saxon spindle whorl, used to provide weight while spinning yarn, was unearthed from farmland near Bishopstone, Buckinghamshire.
（三）违反国家规定，对计算机信息系统中存储、处理、传输的数据和应用程序进行删除、修改、增加的；
而肯德基则在加速门店增长的同时，开启了新品牌的拓展。