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