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1)  counterexample [英]['kauntəig'zæmpl]  [美]['kaʊntɚɪg'zæmpḷ]
反例
1.
About counterexamples in algebra;
代数学中的若干反例简析
2.
Model checking probabilistic systems have been studied well these years,but counterexample generation for probabilistic system model checking has just drawn some attentions recently.
模型检测基于概率系统的反例产生问题,在最近引起人们的关注。
2)  counter example
反例
1.
The effect of counter example in mathematics analysis teaching;
反例在数学分析教学中的作用
2.
The paer illustraye some common errors concernming the linear vector group by giving counter examples.
用举反例的方法说明了一些有关向量组的线性相关性的常见错误。
3.
In this paper, some counter examples to the conclusions of singular solution and envelope in two textbooks of ordinary differential equation are given.
给出了两种常微分方程教材中关于奇解与包络关系结论的反例
3)  counter-example
反例
1.
"Counter-example" in "Higher Mathematics" in Teaching Function
反例”在《高等数学》教学中的作用
2.
It is very important to construct counter-examples of security protocols automatically,but there are few methods to do this work.
根据安全协议的Horn逻辑扩展模型和相应的安全协议验证方法,提出了自动构造不满足安全性质的安全协议反例的求解策略,并给出了重要定理的证明,设计了一系列自动构造协议攻击的构造算法,并在基于函数式编程语言Objective Caml开发的安全协议验证工具SPVT中实现了这些算法,给出了主要算法的优化方法,详细分析了主要算法的时间复杂度,从理论上证明了算法是线性时间算法。
3.
In the higher mathematics teaching,appropriately using the counter-example,not only can make the student accurately tounderstand the definition,correctly grasps the theorem,but also can correct students wrong understanding,stimulates the student to discuss the question the interest,raises the student creative thoughtability.
在高等数学教学中,恰当地利用反例,不仅能使学生准确地理解定义,正确地掌握定理,还能纠正学生的错误认识,激发学生探讨问题的兴趣,培养学生的创造性思维能力。
4)  counterexamples
反例
1.
Some appropriate counterexamples are rather necessary for helping students further understanding of relative concepts, theory, formula and principles in mathematics education.
在数学教学中,为了让学生深入地理解有关的概念、定理,牢记公式和法则,适当地举一些反例是十分有效的一种方法。
2.
This paper provides a primary method to construct various counterexamples for linear time-dependent ordinary differential equations.
本文提供一种初等且相当简单的方法来构造非自治线性常微分方程的各类反例
5)  negative example
反例
1.
Discussion on Cauchy distribution and its application in probability as negative example;
Cauchy分布及其作为反例在概率中的应用
2.
Through analysing the educational functions of the negative examples in the higher mathematics instruction, the writer illustrates its undoubted effects in the following aspects: strengthening the understanding of mathematics knowledge, breaking the fixed thinking custom, educating the learner s creative power and divergent thinking ability, and even improving the classroom teachin
该文通过对高等数学教学中构造反例的教学功能的阐述,说明了构造反例对强化数学知识的理解掌握,思维定势的克服,学生发散思维能力和创造力的培养,甚至课堂教学质量的提高均有着不可低估的作用。
6)  Reaction ratio
反应比例
补充资料:反比例函数
Image:11481277737846800.jpg
反比例函数

形如 y=k/x(k为常数且k≠0) 的函数,叫做反比例函数。

自变量x的取值范围是不等于0的一切实数。

反比例函数的图像为双曲线

如图,上面给出了k分别为正和负(2和-2)时的函数图像。

当k>0时,反比例函数图象经过一,三象限,是减函数

当k<0时,反比例函数图象经过二,四象限,是增函数

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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