圆盘水浸超声扫描装置设计
北京理工大学珠海学院2020届本科生毕业设计Design of the water-immersed ultrasonic scanning deviceof the discAbstractThe coupling agent used in ultrasonic testing for water immersion ...
XXX网络方案规划与设计
目录一、绪论...6(一)选题背景。。。。。。。。。。。。。。g。ggg。。。(二)可行性分析6二、网络需求.8(一)网络需求分析.(二)信息点分布...(三)网络安全需求10三、网络设计原则和目标..11(一)...
我国中小企业税收筹划探讨
(三)税率差异法税率差异法是指税纳人利用法律规定的税率不同，有计划安排自身行为，使自身行为符合较低税率，从而实现不缴或者少缴税款减轻赋税的目的，国家针对不同地区、不同行业、不同项目等...
初中数学解题中隐含条件的挖掘
AbstractIt is an important factor for junior high school students to make mistakes insolving problems that they do not dig or not dig enough the hidden conditions inmathematics pro...
方程的一题多解在提高学生学习兴趣方面的一些探索
Some Explorations on How to Improve Students'Interest Learning in theMulti-answer Question of EquationAbstract Under the requirements of the new curriculum reform,mathematics teach...
近五年高考数学（全国卷）试题分析
cross-penetration;Carry out the thought method,improve the operation ability.Suggestions for senior in the high school to prepare the exam:Pay close attention to basicknowledge and...
浅探初中数学《概率初步》教学设计
AbstractProbability is an important part of junior high school mathematics curriculum,and it is also one of the key knowledge that the curriculum requires students tomaster.The pre...
上市公司财务造假问题研究——以康美药业为例
AbstractSince the establishment of China's capital market,it has been constantlyimproving and standardizing,and has established a multi-level capital market systemIn recent years,t...
探究高中导数问题的一般性解题方法
导数导数的概念几何意义物理意义函数的和、差、积，商的导数导数的运算基本初等函数的导数简单复合函数的导数导数及其应用单谓性导数在研究函数中的应用极值最值导数在实际生活中的应用优化问题...
义务教育阶段的符号感培养的研究
目录引言.……1.问题的提出.……1.1相关概念的界定.........11.1.1符号与数学符号的界定.....1.1.2数感、符号感与符号意识的界定。。21.2国内外对符号感的研究现状......……·31.2.1国内对符号...
