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1.
“高中文理分科”由“应试”导致,并非“影响教育改革发展全局重大问题”。普通高等学校招生评价内容、评价标准的缺失和错位,才是“影响我国教育改革发展全局的重大问题”。建立、完善以高等学校为主体的考生多元素质评价、高等学校多样方式选拔、录取制度是纠正“应试”固疾的必行之路。  相似文献   
2.
This paper contributes to the increasing research on how experts within financial institutions co-produce and organize financial markets, and in particular how equity analysts enact stock markets characterized by high volume and volatility. The 20 equity analysts studied give qualitatively different accounts of what, from an outsider's perspective, appear to be very similar work. The analysts understand investment objects, equity markets, and what constitutes good analytical work in qualitatively different ways. This heterogeneity, or multiplicity, could be one source of the, unexplained by orthodox financial theory, ‘excess’ volatility and ‘excess’ trading volume on financial markets. Therefore, the paper complements accounts within heterodox finance theory and sociology-based studies of financial market activities.  相似文献   
3.
青年时期是人生观、价值观形成并趋于稳定的关键时期。本从理论和实践两个层面探讨新形势下如何引导青年树立正确的人生观、价值观。并对党建工作中如何搞好青年思想政治工作提出了一些合理化建议。  相似文献   
4.
Growing evidence suggests that child care instability is associated with child behavior problems, but existing studies confound different types of instability; use small, convenience samples; and/or control insufficiently for selection into child care arrangements. This study uses survey and calendar data from the Fragile Families and Child Well-Being Study to estimate the associations between three different types of child care instability—long-term instability, multiplicity, and the use of back-up arrangements—and children's internalizing, externalizing, and prosocial behaviors at age 3, controlling for a large number of child and family background characteristics. Long-term instability between birth and age 3, as measured in both the survey and calendar data, is associated with higher levels of externalizing behavior problems. Current multiplicity at age 3 (as measured by survey data) is associated with higher levels of both externalizing and internalizing behavior problems, but stable multiplicity over time (as measured using calendar data) is not. Finally, the use of back-up arrangements at age 3 is associated with higher levels of internalizing behaviors. We find no consistent differences in these results by the timing of instability, child gender, family income, or type of care.  相似文献   
5.
There are many well‐known or new methods to adjust statistical tests for multiplicity. This article provides an illustration helping lecturers or consultants to remember the differences of three important multiplicity adjustment methods and to explain them to non‐statisticians.  相似文献   
6.
概括分析了我国国企改革、建立现代企业制度即公司制中存在的产权结构问题,论述了实行股权多元化与实现我国国企改革目标的必然联系,提出了财政在其中履行的职能.  相似文献   
7.
研究四阶奇异两参数常微分方程周期边值问题{u^(4)(t)-βu″(t)+au(t)=f(t,u)(T(t))),t∈[0,1]u^(i)(0)=u^(i)(1),i=0,1,2,3}正解的存在性和多重性.当允许f(t,u)在u=0在u=c(c〉0)处同时奇异时,可用锥上的不动点指数理论证明该问题多个正解的存在性.  相似文献   
8.
利用滤波器,研究了在高密度离散小波变换下消失距的框架函数;由多带小波与多小波的设计启示,推导出小波的应用与算法的关系,并进一步研究在不同消失距个数作用下的紧框架.  相似文献   
9.
通过利用推广的Leggett-Williams定理,对于一类含导数的非线性二阶四点边值问题建立了三个正解以及2n-1个正解的存在性定理,并给出了相应的格林函数.  相似文献   
10.
在整个唐代诗歌光华的照耀下,晚唐著名文学家皮日修因其独特的“从军”经历及其不知所终的结局,使他不能够完整地进入研究者的视野。本文以其生存环境和创作实践为出发点,试图挖掘并分析皮日修文学观念的整体性。  相似文献   
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