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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Recent study on the subject is an indirect approach: in order to compute the Gabor coefficients, one needs to find an auxiliary bi-orthogonal window function γ.
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Prolate Spheroidal Wave Functions (PSWFs) are a well-studied subject with applications in signal processing, wave propagation, antenna theory, etc.
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The system is subject to failure and it fails once the total cumulative damage level first exceeds a fixed threshold.
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The design that is subject to this criterion satisfies many kinds of linear optimal criterion and D-optimal criterion on several experiment models at the same time.
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This paper deals with the blow-up properties of solutions to the systems ut=Δu,vt=Δv in BRX(0,T) subject to nonlinear boundary conditions , in SRX(0,T).
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| | The soft Chinese character system of Apple-Ⅱ can achieve the dialogue between the user and the computer conveniently. It has a good function of drawing and can be applied for drawing molecular structures, making educational softwares and so on.Using this system, we have made an educational software of Matter Structure. This software bring about teaching these contents by computer easyly which the traditional teaching means can not teach or teach them difficultly.Making use of the dialogue between the user a... | | Apple—Ⅱ上实现的软汉字系统能够很方便地实现计算机和使用者之间的对话.它具有较强的作图功能并能应用于描述分子结构,制作教学软件等方面。利用这个系统,我们制作了一《物质结构》教学软件可以很方便地在计算机上实现传统教学手段不能讲述或很难讲述的教学内容。为了能够适用于不同的学生,本程序利用人机对话拓宽和加深了教学内容。本程序还具有一反馈功能,它能够判断学生的回答并告诉他是否正确。在这个教学软件中,还设置了一些特殊的子程序,它们能够模拟原子和分子的微观结构和它们形成的动态过程,还可以帮助学生理解《物质结构》课程中的一些抽象的概念和理论。 | | 文摘来源 | | In this paper, the object, contents and the scope of mathematical pedagogy are discussed on the basis of the fact that mathematical pedagogy is a diverse "intersected" synthetic subject. The methods of mathematical pedagogy, including the method of historical analysis, the method of character induction, the method of logical inference, the method of emergent synthesis, the method of observation and experiment, and the quantitative method, etc., are also systematically discussed. | | 本文从数学教育学是一门多学科“交叉”性综合学科的学科性质出发,揭示了数学教育学的对象、内容、范围、对数学教育学的方法:历史分析法、特征归纳法、逻辑推演法、突现综合法、观察实验法和定量化方法等作了较为全面、系统的论述。 | | 文摘来源 | | the subject of this paper involves that the objectivity of mathematics is the essential prerequisite of discussing mathematical truth, otherwise, There is ro truth to exist. there are model truth and real truth in mathematies. the reasonable mathematical model should be a kind of abstract with the real prototype; and in the course of fulfiling the abstract of mathemsticcal model, the laws of scientific abstract should be followed.The mathematical truth contains both relativity and absolutity, which ar... | | 本文论述了数学真理的必要条件是它的客观性,否则就没有什么真理可言了.数学具有模式真理性和现实真理性,合理的数学模式应该是一种具有现实原型的抽象物,而完成数学模式的抽象过程应该遵循科学抽象的规律.数学真理是具有相对性,又具有绝对性,这种真理的相对性和绝对性是同一真理的两个不同方面,是相互渗透,相互包含的.数学真理归根结底来自实践,并受实践检验. | | 文摘来源 | |   | | << 更多相关文摘 |
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