（二）以应有的谨慎防止或者减少生态环境损害；
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.
。关于这个话题，快连下载安装提供了深入分析
為何美國以色列此刻出手？伊朗進入「生存模式」，結局仍充滿變數
文 | 互联网江湖，作者 | 刘致呈
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