回滚与热修复频率。每年零星几次属正常范围，若每隔数周就出现回滚，说明团队对部署流程缺乏信任。这暴露了更深层问题：不可靠的测试、预发布环境缺失或回滚机制过于复杂。零结果也是信号：要么团队非常稳定，要么提交信息缺乏描述性。
美国空军低可侦测性轰炸机B-2幽灵的可收放式航行灯细节近日通过照片公开。军事类Telegram频道“军事家”首次披露了相关画面。
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Only six underdogs secured outright upsets in the opening round, the fewest since 2007. Twelfth-seeded High Point delivered the largest upset, defeating Wisconsin as 10.5-point underdogs. The other five defeated favorites - Ohio State, North Carolina, Saint Mary's, Georgia and BYU - carried no more than three-point advantages.
Britain's 'most beautiful coin' sold for £110,000