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.
Space exploration
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此次试点与瑞士海克斯康机器人合作，采用其2025年推出的AEON人形机器人，主要承担高压电池装配与零部件制造两大环节。
魅族品牌成立于2003年，曾是国产音乐播放器市场的龙头。2009年，魅族成功转型，推出国内首款智能手机M8，上市五个月销售额即突破5亿元。2011年发布的M9更引发线下排队抢购热潮，奠定了其在“前华米OV时代”的技术领先地位和忠实粉丝基础。
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