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  • 简介:Correctextractionoftheultra-large-scaleintegrated(ULSI)interconnectcomponentsathightfrequenciesisveryimportantforevaluatingelectricalperformancesofhigh-speedULSIcircuits.Inthispaper,theextractionoftheinterconnectresistanceathighfrequenciesisderivedfromtheOhm′slawandverifiedbythesoftwareFastHenry.Theresultsarealsocomparedwiththoseofanotherresistanceformulaoriginatedfromtheeffectiveareaofthecurrentflowing.Theapplicabilityofthesetwoformulaeisdiscussed.Theinfluenceoftheinterconnectgeometryontheresistanceathighfrequenciesisstudied.Thecomputationindicatesthattheeffectoffrequencyontheresistanceisweakwhentheskindepthislargerthanhalfoftheshortsideoftherectangularinterconnectcrosssection.Withfurtherincreaseoffrequency,theresistanceincreasesobviously.Resultsimplythatconductorwithasquarecrosssectionexhibitsthelargestresistanceforrectangularconductorsofconstantcrosssectionarea.

  • 标签: 电阻连接 高频率 ULSI 高速电路
  • 简介:活动区是High/Scope课程的主要组成部分,我国幼儿园的活动区是在学习High/Scope课程的理念与实践基础上设立的。本文重温了High/Scope课程的灵魂——主动学习的主要特质,认为幼儿教师要把握High/Scope课程的精髓,就必须在活动区活动中注意内在动机、充分活动、"正确"的儿童、关键经验和教师支持等五个方面的问题。

  • 标签: High/Scope课程 主动学习 活动区
  • 简介:坚持跑步不是简单的一件事,除了自己的坚强毅力,还得有坚持下去的乐趣。那有什么可以提升我们坚持的兴趣呢?一款陪跑神器“跑嗨乐”迅速受到跑步爱好者的喜爱,让跑步越来越high

  • 标签: 跑嗨乐 爱好者 创业 电子商务
  • 简介:the most important technique a teacher can use to guide students toward grammatically correct writing is to let them write,in the teaching of reading teachers often do just that. Rather than let the students into,a lots of probelms still exsit in the English teaching especially in the teaching of reading and writing. In this paper

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  • 简介:the most important technique a teacher can use to guide students toward grammatically correct writing is to let them write,Once a decision has been taken about what kind of reading text the students are going to read,Students learn to write by writing

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  • 简介:it is important to study reading texts for the way they use language,in the teaching of reading teachers often do just that. Rather than let the students into,I. Why teach reading There are many reasons why getting students to read English texts is an important part of the teacher’s job. In the first place

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  • 简介:Oxford University Press龚雅芳&,A practical guide to the teaching of English as a second or foreign Language,Oxford University Press

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  • 简介:the most important technique a teacher can use to guide students toward grammatically correct writing is to let them write,teachers are encouraged to adopt a more moderate approach to error. If the teacher over-corrects the students’ mistakes,it is more helpful to select one or two kinds of errors the individual student is making than to point out every error in the paper. The teacher can identify a selected error

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  • 简介:in the teaching of reading teachers often do just that. Rather than let the students into,teachers can offer their students texts,When the teachers give reading class to students

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