打靶3发,事件Ai表示"击中i发",i=0,1,2,3。那么事件AIUA2UA3表示()。A.全部击中 B.至少有击中一发 C.必然击中 D.击中3发

作者: tihaiku 人气: - 评论: 0
问题 打靶3发,事件Ai表示"击中i发",i=0,1,2,3。那么事件AIUA2UA3表示()。
选项 A.全部击中 B.至少有击中一发 C.必然击中 D.击中3发
答案 B
解析

相关内容:打靶,事件,AIUA2UA3,少有,必然

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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
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