简介：Establishedin1984,theJournalofElectronics(China)istheearliestEnglishjournalinElectronicsinChina.Consecutivelypublishedsincethen,theJournalhasbeenvitnessingand

简介：Establishedin1984,theJournalofElectronics(China)istheearliestEnglishjournalinElectronicsinChina.Consecutivelypublishedsincethen,theJournalhasbeenvitnessingandpublishingthedevelopmentoftheElectronicsinChinaandbeyond.

简介：Establishedin1984,theJournalofElectronics(China)istheearliestEnglishjournalinElectronicsinChina.Consecutivelypublishedsincethen,theJournalhasbeenvitnessingandpublishingthedevelopmentoftheElectronicsinChinaandbeyond.

简介：Thispaperpresentsafunctionallanguagefortheunambiguousdescriptionofdigitalcircuits,amethodandalgorithmstoobtainastandard-celllayout,andacomparativeevaluationofthedevelopedfunctionalstandard-cellplacementtechnique.Thepresentedplacementschemeisdifferentfromtraditionalmethodsbecausethecompletelayoutgrometryisspecifiedandconstructedautomaticallyfromafunctionaldescription.Theconstructionreliesonatranslationthatcombinesthesimplicityofstandard-cellswiththeeleganceoffunctionalprogramming.Anevaluationofthemethodintroducedshowsthatthequalityoftheresultingplacementisclosetotheresultsachievedwithsimulatedannealingwhilethecomputationtimeissignificantlyless.Furthermore,theevaluationsuggeststoemploythefunctionalplacementmethodinconjunctionwithlow-temperaturesimulatedannealingforrunning-timereductionandimprovedresults.

简介：１三棘华枝ＳｉｎｏｐｈａｓｍａｔｒｉｓｐｉｎｏｓｕｍＣｈｅｎｅｔＣｈｅｎ，ｓｐ．ｎｏｖ．本新种与臀沟华枝ＳｉｎｏｐｈａｓｍａｌａｔｉｓｅｃｔｕｍＣｈｅｎｅｔＣｈｅｎ近似，但本种雄性臀节端部较窄，纵沟浅裂．背面具有３个排列成倒三角形的锥形突，第９节背板隆起成直角下垂等不同，可相区别．模式标本保存在中山大学．２单棘华枝ＳｉｎｏｐｈａｓｍａｕｎｉｓｐｉｎｏｓｕｍＣｈｅｎｅｔＣｈｅｎ，ｓｐ．ｎｏｖ．本新种与三棘华枝ＳｉｎｏｐｈａｓｍａｔｒｉｓｐｉｎｏｓｕｍＣｈｅｎｅｔＣｈｅｎ近似，但本种雄性臀节较狭长，两侧端叶扩展成瓣状；端部无纵沟，背面具有１个明显的锥形突，下生殖板形状以及第９节背板明显不同等，可相区别．模式标本保存在中山大学．３拟异尾华枝（雌性）ＳｉｎｏｐｈａｓｍａｐｓｅｕｄｏｍｉｒａｂｉｌｅＣｈｅｎｅｔＣｈｅｎ本种发表于１９９６年，当时仅报道其雄性，近在中山大学昆虫标本馆发现１对雌雄，其雌性与异尾华枝ＳｉｏｎｐｈａｓｍａｍｉｒａｂｉｌｅＧüｎｔｈｅｒ雌性相似．但本种头部形状，第７腹节腹板与腹瓣伸至的位置，以及尾须的形状等明显不同，可与之区别．模式标本保存在北京林业大学和中山大学．