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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.
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在这一思路的指引下，iCAR V23 曾取得过阶段性的胜利。去年，其销量一度表现亮眼，在新能源「方盒子」车型中名列前茅。
The barycentric coordinates of are derived from the areas of sub-triangles .