calculus of errors
- calculus of errors的基本解释
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误差论
- 相似词
- 更多 网络例句 与calculus of errors相关的网络例句 [注:此内容来源于网络,仅供参考]
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Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.
分析了现有测试方法的优缺点,提出了研究推进剂瞬态导热的必要性和重要性。 2。根据130和航90两种火箭弹的结构,分析得到了推进剂传热的物理模型和数学模型,设计了推进剂温度场模拟实验装置。 3。得到了离散形式的瞬态热平衡方程和温度场计算程序,给出了实验温度与程序计算温度值的对比曲线及其最大偏差与均方差。 4。利用程序求出了第一类边界条件下、不同时刻推进剂温度场模拟装置中的温度分布,分析了温度场的分布规律和影响传热的主要因素,求出了推进剂质量加权平均温度和最大肉厚1/2处的温度时间曲线并给出了两者之间的最大偏差与均方差。 5。建立了第三类边界条件下的瞬态导热数学模型和温度计算程序,求出了温度实测值与计算值的对比曲线并给出了两者之间的最大偏差与均方差,得到了不同时刻温度场模拟装置的温度分布与影响导热的主要因素,求出了推进剂质量加权平均温度和最大肉厚1/2处温度及两者之间的最大偏差与均方差,讨论并确定了能代表130和航90推进剂温度的特征点的位置。
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Each group contains a detailed classification of different standpoints. Part 4 makes a careful study and analysis of the causes of errors and induces the causes of errors into interlingual errors,intralingual errors,limitation of basic language knowledge and writing skills and ignorance of commenting on composition and correcting errors. Part 5 draws a conclusion and sets forth some error corrections and teaching methods to reduce errors. Part 6 sets forth the authors suggestions and some problems to discuss.
并根据具体实例将不同错误类型进行了更为详细的分类及分析;第四部分分析写作错误的原因,将导致写作错误的原因归纳为语际因素,语内因素,学习者语言知识和写作技巧的限制及忽视作文评改;第五部分归纳和总结全文,通过归纳前述内容提出减少错误的教学对策和纠正错误的方法;第六部分提出本人的建议和进一步需要探讨的问题。
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Using differential calculus knowledge to testify inequality, Calculus of higher mathematics is the core and calculus method of higher mathematics is typical of the whole mathematical method, the method is introduced for calculus ideas to solve the problem of finding an inequation, to make way for obtaining inequalities can be simple, the application of differential mid-value theorem and Taylor formula illustrate some of the inequality proof method.
运用微分学知识证明不等式;微积分是高等数学的核心,微积分思想方法是高等数学乃至整个数学的典型方法,微积分思想方法的引入为解决不等式证明的难题找到了突破,用来解不等式可使解题思路变得简单,文章应用微分中值定理及泰勒公式举例说明了部分不等式的证明方法。
- 更多网络解释 与calculus of errors相关的网络解释 [注:此内容来源于网络,仅供参考]
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calculus of errors:误差论
calculus of classes 类演算 | calculus of errors 误差论 | calculus of finite differences 差分法