We obtained necessary conditions for the existence of perfect binary sequences, and presented a direct construction for a class of difference sets pairs.
我们得到了最佳二进序列存在的必要条件，给出一类差集偶的直接构造方法。
By using of discrete Liapunov function, the existence of almost periodic solutions for a class of difference equations is investigated, a new result has been obtained.
非线性方程解的存在性和唯一性问题的研究是非线性动力学的主要研究内容之一。
Given that the only fundamental difference between them is the name of the class, it would help to have a simple way to create a template for a single rule that handles all cases.
假设它们之间唯一的根本差别是类名称，那么它将有助于利用一个简单的方法来为能够操作所有类的唯一的规则创建模板。
Of course, we were wishing him the best, but there is a huge difference between a good American player in the Italian second league and the best in class in the N.B.A..
当然，我们都希望他能成为最好的，但是一个意大利二级联赛中优秀的美国球员和NBA里最好的球员还是有很大差距的。
This stylesheet is virtually identical to the first stylesheet; the main difference here is that you use a different custom collator. Here's the fragment of the stylesheet that invokes the Java class.
样式表基本上和第一个相同，主要的区别是使用了不同的自定义排序器。
As a member of the upper middle class, Drum doesn't think a move to the upper class would make that much of a difference in his lifestyle, but giving up computers and the Internet would.
作为中上阶级，他认为爬到上层阶级并不会使他的生活方式改变很多，而放弃电脑和网络则不然。
The major difference is that variations of the parse() method do not take an instance of the SAX DefaultHandler class.
主要差别在于parse()方法的变种不接受SAXDefaultHandler 类的实例。
The other difference is that I give the class and do experiments in front of the camera.
另一个不同就是我在摄影机前授课做实验。
There is one crucially important difference between how we define variables and class data members: We ordinarily cannot initialize the members of a class as part of their definition.
定义变量和定义数据成员存在非常重要的区别：一般不能把类成员的初始化作为其定义的一部分。
What difference of class definition is used for client, used for server, used for RPC? Source path for these class?
客户端，服务器端，RPC的类定义之间有啥区别？这些类放在啥资源路径下？
In the same target regions and the same class target regions, homogeneity and difference exist at the same time in the details of texture and texture distribution.
同一典型目标区域或同一类典型目标区域在不同图像中的影像间纹理细节和纹理的分布细节同时存在一致性联系和差异性区别。
In order to improve the class accuracy of small number of samples caused by the imbalance of sample number, weight of sample difference is introduced.
首先为克服由于样本数量不平衡性引起的小样本类别精度差的问题，引入由于样本差异的权重；
Result test: Prepare the questionnaire, and utilize the paired sample t to test the difference of class management ability before and after in-post practice.
效果检验：编制调查问卷，利用配对样本t检验方法检验顶岗前后班级管理能力差异。
The oscillation for a class of higher order nonlinear neutral difference equations with several delay arguments is studied. A sufficient condition for the oscillation of the equations is obtained.
研究了一类具有多变滞量的高阶非线性中立型差分方程的振动性，给出了此类方程振动的一个充分条件。
Multiple positive solutions for a class of higher order nonlinear neutral system of difference equations are studied in this paper.
本文研究了一类高阶非线性中立型差分方程组多正解的存在性。
This paper is concerned with the asymptotic behavior and existence of positive solutions for a class of higher order nonlinear neutral difference equation.
研究了一类高阶非线性中立型差分方程正解的存在性和渐近性。
But it also has such malpractice as the interaction difference and low quality of the class.
但也存在着互动性差、课件质量不高等弊端。
Class inequality creates a paucity of recognition, and cultural difference becomes a focus for people's fear, paranoia and hatred.
阶级不平等创建一个缺乏认同，和文化差异成为一个重点，为人民的恐惧，偏执和仇恨。
Developmental differences are more the result of a maturing product class, and how the ensuing improvements are promoted, than of any true difference in warehouse and data mart feature sets.
开发差别更多的是成熟产品类的结果，以及如何推动随后的改进，而不是数据仓库和数据集市特色的任何真正差别。
There is no statistically class difference in the fear of negative evaluation, communication apprehension, test anxiety, the other anxiety and total anxiety.
在负评价焦虑、交流焦虑、考试焦虑、其他焦虑和总焦虑上无显著的班级差异。
A class of nonlinear delay difference equations is considered. The non-convergence of nontrivial positive solution of the equations is proved by direct computation method.
考虑一类非线性时滞差分方程，用直接计算的方法，证明了它的所有非平凡正解都是发散的。
Results:The exam score was of no significant difference between two classes(P>0.05). The ability of consulting reference and problem-solving skills significantly increased in students of PBL class.
结果：两组学生考试成绩的差别没有显著性差异（P>0.05），但PBL教学法班的学生查阅文献能力及综合分析判断能力明显提高。
The existence of periodic solutions for a class of impulsive differential equations with piecewise constant argument is studied by constructing periodic sequence solutions of difference equation.
通过构造差分方程的周期数列解，研究了一类具有分段常数变元的脉冲微分方程周期解的存在性。
First, the general form of input-output equation has been given and a input-output difference equation corresponds to a class of canonical form has been obtained.
首先给出了输入输出方程的一般形式，并对于一类规范型给出了相应地输入输出差分方程。
According to America and europe standard difference. There are two kinds, the test ways of A and B is different, but protective class is the same.
粉尘防爆电气设备根据美标和欧标的差异，为分A、B两种型式。A、B两种采用的试验方法不同，但保护的等级是等同的。
By discussing a class of the neutral difference equation with several delay arguments, the author deduces a necessary and sufficient condition for the existence of bounded positive solutions.
考虑一类含有多个滞量的中立型差分方程，获得了该方程存在有界正解的一个充分必要条件。
The kindergarten class management because its management object in the different principles, strategies, and management of the difference between primary and secondary school class management.
幼儿园班级管理因其管理对象的不同，在管理原则、策略上明显区别于中小学班级管理。
The experiment results show a remarkable difference between students of experimental class and those of control class in interest in sports and effort.
结果表明，实验班与对照班学生的运动兴趣和努力感有显著性差异。
In this paper, We discuss a class of boundary Value problems of second order singular perturbed nonlinear differential difference systems.
本文讨论一类二阶奇摄动非线性微分差分方程组的边值问题。
In this paper, We discuss a class of boundary Value problems of second order singular perturbed nonlinear differential difference systems.
本文讨论一类二阶奇摄动非线性微分差分方程组的边值问题。
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