You might assume this pattern is inherent to streaming. It isn't. The reader acquisition, the lock management, and the { value, done } protocol are all just design choices, not requirements. They are artifacts of how and when the Web streams spec was written. Async iteration exists precisely to handle sequences that arrive over time, but async iteration did not yet exist when the streams specification was written. The complexity here is pure API overhead, not fundamental necessity.
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Automated systems making consequential decisions with insufficient human oversight
其实，蜡梅和梅花既没有亲缘关系，也不是同一个品种。蜡梅是蜡梅科蜡梅属，梅花则是蔷薇科李属。从花期上看，蜡梅比梅花开得更早，开花的时候一般树上还有宿存的褐色果子。
冈比亚农业部长登巴·萨巴利说：“过去我们的大米严重依赖进口。如今，中国技术团队带来的高产种子和现代化农业经验，是冈比亚水稻产量创下历史新高的关键因素。这为我们实现粮食安全目标带来了巨大信心。”