基本解释上鞅同根派生 supermartingale相关词英汉例句set-valued inverse supermartingale 集值逆上鞅Set-valued supermartingale convergence theorem with continuous parameter 連續蓡數集值上鞅的收歛性set-valued supermartingale 集值上鞅supermartingale更多例句