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相位差的测量方法 总被引:3,自引:0,他引:3
丁英丽 《辽宁科技学院学报》2002,4(2):20-21,24
介绍了几种相位测量的方法,尤其对占空比电路测量相位的方法进行了详细的描述。 相似文献
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This paper describes a model which allows for the assessment of alternative funding formulas for post-secondary educational systems. The first section of the paper present a rationale and identify the characteristics of what the authors label a practical planning model. The remainder of the paper describes the model and shows its application to a specific situation. The emphasis is on assessing the extent to which marginal funding proposals can offer a viable alternative to traditional linear enrollment driven formulas. Although the model operates at a statewide level of aggregation, it should also be beneficial to those interested in system and institutional resource allocation patterns in a period of declining enrollments.Presented at the Nineteenth Annual Forum of the Association for Institutional Research, San Diego, California, May 1979. 相似文献
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根据普通高等学校体育课程教学现状,如何充分利用现有的教学条件进行体育课程的教学改革,提高体育课程的教学质量,需要进一步的研究、探讨。小集团差异化教学中的差异教学,打破原班级限制,在学生选项的基础上按层次编班,把课堂自主权交给学生,发挥学生的主体作用和教师的主导作用,使体育课教学达到预期效果。 相似文献
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性别角色的言语差异 总被引:3,自引:0,他引:3
冯英 《云南师范大学学报(哲学社会科学版)》2000,32(3):85-87
语言中的性别差异是客观存在的社会现象.本文从心理语言学的角度,探讨性别角色言语机能的生理差异;从社会语言学的角度,探讨性别角色言语特色的心理差异;从文化语言学的角度,探讨性别角色言语差异的文化内涵. 相似文献
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陈春华 《周口师范学院学报》2011,28(5)
研究了一阶中立型差分方程
△[x(n)-px(n-τ)]+qx(n-σ)=0
的振动性,其中P∈(0,1),q,τ,σ是正常数,利用适当的不等式和特征方程,建立了方程解的新振动准则. 相似文献
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Jan Barker 《Action Learning: Research and Practice》2004,1(2):239-246
This is an account of a programme involving the application of action learning to the task of ‘blending personal development with development of an organisation's capability’. It was aimed at dismantling cross boundary barriers and extending cross boundary networks. It became clear that staff needed to reflect on their own effectiveness in current roles and, despite considerable ongoing change, begin to drive their own development in the organisation. The changes also demanded that they extend their knowledge and skills in confronting and solving problems. The programme designed to achieve these aims proved to be highly successful. 相似文献
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Normalizing difference in inclusive teaching 总被引:1,自引:0,他引:1
Inclusion practices and special education can be transformed by using a disability studies perspective, which constructs differences as natural, acceptable, and ordinary. Although inclusion is a moral imperative in promoting social justice, some inclusive practices continue to marginalize students with disabilities. A truly inclusive school reflects a democratic philosophy whereby all students are valued, educators normalize difference through differentiated instruction, and the school culture reflects an ethic of caring and community. 相似文献
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ZHANG Yu YANG Xiao-fan ZHU Ce 《重庆大学学报(英文版)》2006,5(1):27-29
1 Introduction In 1996, Ladas [1] proposed the conjecture that every positive solution of 0 111nmax{ , , , k}n n n kxA AA = x x ? L x?, n = 0, 1,…, (1) is eventually periodic when at least one of the parameter Ai, as well as all initial conditions x?k, … 相似文献
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Angelica Moè 《Learning and individual differences》2012,22(1):20-24
The fear of underperforming owing to stereotype threat affects women's performance in tasks such as mathematics, chess, and spatial reasoning. The present research considered mental rotation and explored effects on performance and on regulatory focus of instructions pointing to different explanations for gender differences. Two hundred and one participants were asked to perform the Mental Rotation Test (MRT) and were told that men perform better than women. Then they were divided into four sub-groups and provided with no additional information (control condition) or one of three explanations: (a) genetic factors, (b) widely-held stereotype, or (c) time limit. A decrease in performance was predicted for the genetic instruction and an increase for the two alternative explanations based on externalizing. Results showed that both women and men are harmed by the genetic explanation and relieved by both the stereotype and the time limit explanations. Explanations stressing genetics and time limit as factors affecting performance favor prevention focus. 相似文献
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于晨 《湖北广播电视大学学报》2006,23(3):17-18
本文从学生的个性差异分析入手,探讨了差异教学思想、差异教学中的课程改革、差异教学中的分层次教学形式、差异教学环节的管理、差异教学的常用方法、创设人性化的教学环境等问题,旨在为教育教学提供一些借鉴意义。 相似文献
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