简介:OnceZaizai(ZhouYumin周渝民)andLiBingbing(李冰冰)werefilminginaparkinHongKong.Beforethecamera,ZaizaiandBingbingembraced(拥抱)eachother
简介:摘要时间状语从句是初中英语学习的重点,也是必考点,而when与while引导的时间状语从句是八年级学生学习的重难点,本文从状语从句的含义入手,通过简单、通俗、易懂的实例,从三个方面对when与while引导的时间状语从句作了区分和比较。
简介:Thispaperproposesarecursivealgorithmestimatingcoefficientsofthelinearstochasticcontrolsystem(ARXsystem)drivenbyamartingaledifferencesequence,whileadaptivelystabilizingthesystemwithoutintrodudcingexternalexcitationsignal.Thesystemisallowedtobeunstableandofnonminimum-phase.Theestimatesderivedforthecoefficientsofbothclosed-loopandopen-loopsystemsarestronglyconsistent.