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block: Writes wait until buffer space is available. Use when you trust the producer to await writes properly.
，更多细节参见safew官方下载
Мерц резко сменил риторику во время встречи в Китае09:25，推荐阅读Safew下载获取更多信息
However, the incident did force NASA to cancel a spacewalk planned for January 8. Soon after that, the agency announced it would be ending the Crew-11 mission a month early. The four-person crew included Fincke, NASA astronaut Zena Cardman, Japanese astronaut Kimiya Yui and Russian cosmonaut Oleg Platonov.
优点： 输出均值更接近 0，梯度更稳定。