查询词典 rational involution

Based on the new method, the paper discusses an inverse mapping of rational parameter surface, also, the implicit equation of the parametric equation is obtained.

文中用该方法对基于有理参数曲面的逆映射进行了一些探讨，并得到参数曲面的隐式方程。

In order to facilitate quantitative analysis, a rational model of physics for a rise inverse sine structure of 1×2 S-branch power splitter in glass is proposed. In thermal ion exchange, the distribution of normalized refractive index of two-step ion-exchanged optical power splitter and the distribution of splitter refractive index of different exchange time have been gotten.

为了便于定量分析，采用了一种上升反正弦S型分支光波导系统的物理模型，得到了在热扩散条件下两步离子交换光功分器波导区的归一化折射率分布和在不同交换时间所形成的玻璃波导折射率分布。

In this paper, a new kind of rational parametric transformationis studied which has the same form of it's inverse transformation.

文摘：研究了一类逆变换具有同样表示形式的有理参数变换，并给出了在此参数变换下的曲面一阶几何连续拼接条件。

In this involute information, consumer how rational judgement, walk out of price dense fog?

在这纷乱的信息中，消费者如何理性判断，走出价格迷雾呢？

It was a rational strategy for those who could not influence the regime, but it had a flaw: they were still behind the Iron Curtain.

这对那些无法影响政局的人是个理性的策略，但是无奈的是：他们仍处在铁幕之后。

4 Is a rational fraction .But 1/3 is a irrational fraction.

四分之一是真分数，而三分之一是假分数。

This thesis puts forward that the rational factors have dominant function in scientific discovery, but the major task of this disquisition is to discuss the function of irrational factors in scientific discovery which takes the emotion as example.

理性因素在科学发现中起到主导作用，但本文的主旨在于以情感为例来着重探讨"非理性因素"在科学发现中的重要作用。

And got some interesting property of rational number and irrational number.

它是介于0和1之间满足一定的性质的一个有理数列。

The product of any irrational number and rational number is irrational.

命题：任何无理数和有理数的乘积都是无理数。

More than two thousand years ago, when greek found that there existed another kind of number likewhich is totally different from rational number. they can't accept this weird fact and thought this new kind of number was unreasonable, so people called it "irrational number".

两千多年前，当希腊人发现这类数与有理数不同时，人们难以接受这个事实，认为这个怪物的出现是不合情理的，于是给它扣上一顶无理的帽子，原有的数自然是有理的。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。