查询词典 assertion sign

Sign pattern A is a SAP if every monic real polynomial of degree n can be achieved as the characteristic polynomial of a matrix with sign pattern A.

若给定任意一个n次首一实系数多项式f，都存在一个实矩阵B∈Q，使得B的特征多项式为f，则称A为谱任意符号模式。

Sign one's name签名 sign to sb to do sth.

示意某人做某事 signs of ………的迹象

The coefficient on Dollar Volume has the expected negative sign and is significantly different from zero when it is the only liquidity proxy in the specification (Model 3), but the sign reverses in the specifications that also include Trade Volume.

对美元的预期量的系数是显着的负面迹象，从0时，它是不同的规格（模式3）只有流动性的代理，但该标志的规范，也包括交易量逆转。

When only one operand is negative, the sign and value of the result for the modulus operator can follow either the sign of the numerator or of the denominator.

当只有一个操作数为负数时，求模操作结果值的符号可依据分子或分母的符号而定。

But on a personal level it will be more strongly expressed where there is found an angle or a strong planet or multiple planets in the same sign; and the positive and negative sign potentials will be brought out by harmonious and inharmonious aspects to the PE in the figure.

但就个人的层次来说，若在PE所在星座中发现轴点，重要行星或者是行星群的话，那么这个星座表达出的含义将更加强烈些；此星座正负面的潜质将会由同PE和谐的或不和谐的相位表达出来。

In the case with the chinese neon sign, every time I wake up, the neon sign will be lit up. When I go to bed it will be switched off by me.

在上述的例子中，每当我醒来的时候，霓虹灯管就会发亮，每当我要睡着的时候，我就会关闭其电源。

Below you find an example with a chinese neon sign. The sign is connected through a SIM card to the mobile phone network.

下图中有一个以中文文字霓虹灯招牌的例子，这个招牌通过一个SIM卡连接到手机网络上。

We will study the existence of sign-changing solution. In the second chapter, we consider the existence of sign-changing solutions for nonlinear operator equation and its application in abstract space.

尽管理论和应用中的许多问题均可归结常微分方程非局部问题，但由于非局部问题自身固有的难度，人们对非局部问题的研究起步相当晚。

The purpose of Chapter 4 is to study the solvability of multi-point boundary value problems at resonance, and establishs some existence theorems under nonlinear growth restriction. Our method is based upon the coincidence degree theory. In Section 1, we consider the same sign case, and in Section 2, discuss the non-same sign case.

第四章研究了具共振条件下二阶非线性微分方程多点边值问题解的存在性，通过使用重合度理论和一些分析技巧，建立了一系列解存在的充分条件，其中在第一节考虑了同号情形，在第二节考虑了异号情形。

Sign Test -- The sign test is the nonparametric "version" of the 1-sample t-test.

符号检验--符号检验是等同于一个样本t-检验的非参数检验。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。