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1.The amount of new stock and EPS one year before the new stock issue have a remarkable effect on the underpricing rate, and there is relationship of quadratic function taking the shape of letter U among the three mentioined above. Before the turning pint appears, the information effect of new stock amount is stronger than the supply one, and the quality effect of EPS stronger than its investment effect whereas after the turning point appears, converse is the case.
增发数量 ,增发前一年每股收益和增发市盈率对增发新股抑价率影响显著 ,其中 ,增发数量 ,增发前一年每股收益与增发新股抑价率呈U型的二次函数关系 ,在二次函数的拐点出现前 ,增发新股数量的信息效应大于供给效应 ,增发前一年每股收益的质量效应大于投资效应 ,拐点出现之后 ,则与此相反。收藏指正
2.In order to probe into characteristic and function of knowledge token in the field of cognizance science in information times, this paper discusses the theory and method of information knowledge token by carding the development process of knowledge token and also analyses both characteristic and function in the field of cognizance science of the letter token, chart token, hyper text token, multimedia token and virtual realism token etc.
为了探讨信息时代里认知科学领域知识表征的特点和作用,通过梳理知识表征的发展过程,讨论信息化知识表征的理论和方法,分析了文字表征、图式表征、超文本表征、多媒体及虚拟现实表征的特点及其在认知中的作用。收藏指正
3.letter and visit’ system once developped the extremely important function in stage in some histories,however with socialdevelopment and puting forward of the idea of the rule of law,this objective result of trying to use administrative remedy replacingjudicature remedy run in opposite directions with developments request by rule of law state,then letter and visit’system has walkedto the crossroads of system change,and appeared the dilemma.
信访制度曾在某些历史阶段发挥过极为重要的作用,然而随着社会的发展和法治理念的提出,这种试图用行政救济代替司法救济的方式所产生的客观效果却与法治国家的建设要求背道而驰,信访制度已经走到了制度变迁的关口,出现了困境。收藏指正
4.In this letter, we introduce the rule of the linear and non-linear movement of the single pendulum, and by using the Jacobian elliptic function, we educe two categories of movement fuctions of the single pendulum, the results will be some referential improtance in studying the non-linear vibrational systems.
摘要介绍了单摆的线性与非线性运动规律,并利用雅可比椭圆函数法导出了单摆作两种运动的方程,对研究非线性振动的系统有一定参考价值。收藏指正
5.Taking ACS-30-XB letter package electronic scale for instance,and directing at the defect that it is invisible of communication between PC and peripheral equipment under the traditional manner,this paper systematically introduces the serial communication principle between PC and 8031 single chip computer,realizes the function of range switching and zero value tracking automatically,and the communication between PC and ACS-30-XB electronic scale by Delphi language under Windows98,and then realizes computerlink management by RS 232C standard serial port.
针对传统方式下计算机与外围设备通讯可视化低的缺点,以ACS 30 XB信函包裹电子秤为例,系统地介绍PC机与8031单片机的串行通讯原理,在Windows 98操作系统下用Delphi语言开发实现了ACS 30 XB电子秤的量程自动切换和零点自动跟踪功能、PC机与ACS 30 XB电子秤之间的串行通讯,并通过配置的RS 232 C标准串行口,实现计算机的联网管理。收藏指正
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