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.
Source: Computational Materials Science, Volume 266，这一点在谷歌浏览器【最新下载地址】中也有详细论述
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In an update to her social media on Friday, she said had completed chemotherapy: "Seems I'm not dead... So, phew, big relief."
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