我们已经良好地运用了更多的标准二级数据库、采访、案例和调查问卷方法。
And we have made good use of the more standard secondary database, interview, case, and survey methods.
证明不存在四个连续的二项系数成算术级数。
Prove that no four consecutive binomial coefficients can be in arithmetic progression.
类似地，绿色的行是第二级数据项(之下的字段是该级别的属性)。
Similarly, rows in green are second-level items (and the fields under that are attributes at that level).
组合计数器的最大数值是二进制计数器和反馈计数器的级数的函数。
The maximum count of a combination counter is thus a function of the number of stages of the binary and feedback counters .
在此基础上，使用泰勒级数展开算法和二次WLS估计求解非线性定位方程组，以获得更高的节点定位精度。
On the basis of this, both the Taylor series expansion algorithm and two-times WLS estimation are applied to optimize the location estimation.
一向写作在全年级数一数二的我居然在作文上被扣了30分，我真的不敢相信自己的眼睛。
Writing has always been one of the best in the whole year are arrested in a school essay, I actually had 30 points, I really could not believe my own eyes.
第二章推导了逆散射级数法的正演过程。
In the second chapter, the forward scattering series methods have been deducted.
作为应用，建立它的等价形式及对应二重级数的最佳推广不等式。
As applications, we build its equivalent form and the analogue general double series inequalities.
本文利用二叉判定图提出了对功能级数字电路的一种测试产生方法。
Using Binary Decision Diagrams, this paper proposes a test generation method for functional level digital circuits.
给出了水平一的李型幂级数和水平二的A型幂级数的乘积形式。
The product forms of level one power series of Lie type and level two power series of A type.
利用分离变量法和二重傅里叶级数的方法，得到了矩形膜的受迫振动初边值问题的解。
By using separation of variables and double Fourier series, we obtain a solution to the initial-boundary value problem of the forced vibration of this rectangular membrane.
论文基于这一思想，从二维平滑函数出发，并根据尺度呈级数变化的特点，导出了一组多尺度小波滤波器。
According to the peculiarity that the scale exhibit progressional variety, this paper deduces a group of multiscale wavelet filter from two dimensions smooth function.
如果地板的广度是无限的，那么可以用一个二维傅里叶级数来表示反射光的数学分布。
If the floor were infinite in extent, the mathematical distribution of reflected light could be regarded in terms of a two-dimensional Fourier series.
本文提出一种微分运算矩阵法，通过切比雪夫级数和最小二乘法辨识线性分布参数系统的参数。
In this paper, a method of operational matrix of differentiation is introduced in the identification of coefficients of linear distributed system by using Chebyshev series and least squares.
第二部分是在一致收敛条件下函数列、函数项级数以及含参量反常积分的性质。
The second part is in uniform convergence conditions function series, function and parameter improper integral. We properties.
在老阳山的半山腰有座三层楼高的砖房，是二战后帮助恢复个旧锡矿产业的前苏联级数顾问居住的宿舍。
Half-way up Laoyang sit three-story brick houses, the former dormitories of Soviet technical advisers that helped restart Gejiu's tin industry after WWII.
本文通过对油膜压力进行二阶泰勒级数展开得到油膜摄动压力方程组，采用指数膜假定求解油膜摄动压力方程组，得到推力轴承油膜刚度和阻尼的解析表达式。
In this article, author derives oil film perturbed pressure equation through expanding pressure using a Taylor Series. With exponential film assumption, analytical expression of OFSD is also derived.
结合二值水印图像的特点，运用海明码的监督关系式，首次提出了一种基于海明码的像素级数字水印检测方法。
Based on the characteristics of the binary image, we present a digital watermark authentication method with the supervisory relationship of Hamming Code.
以腐殖酸为三卤甲烷形成的前驱物质，确定THM生成的反应级数为二级。
The humic acid was dosed as the precursor of trihalomethanes(THM) and second order kinetics was identified for the THM formation reaction.
在碱性溶液中，连二亚硫酸钠的分解反应级数为1.5级。
The order of the anaerobic decomposition of the sodium dithionite in the alkaline solution is 1.5 order.
仿真结果表明这种新方法比线性位置线算法和泰勒级数展开最小二乘位置估计算法性能优越，在一定程度上提高了无线定位的准确度。
Simulation results show that it provides quite well improvement of location accuracy than linear line of position algorithm and Taylor series location estimation algorithm.
本文利用矩阵方法对二重函数项级数进行讨论，得到了极其自然的收敛条件。
In this paper double series of functions with posititve coefficients are discussed and a natural condition of the convergence is obtained with the aid of matrix methods.
本文介绍了二度空间重力垂直一次导数的级数展开计算法。
The 2d series expansion algorithm of vertical first derivative of gravity is briefly stated in this paper.
第二章：主要介绍了基本超几何级数的基本知识，包括基本概念，一些重要的求和公式以及变换公式等。
In Chapter 2, we introduce the basic knowledge of the basic hypergeometric series, including basic concepts, some summation formulas, transformation formulas, etc.
二级数据提供了一个背景，移动电话行业和客户交换行为的概述服务。
Secondary data provided a background to the mobile phone industry and an overview of customer switching behaviour in services.
对滤波后的条纹图进一步采取二值化、骨架线提取、条纹级数标定、插值一系列操作，得到物体的三维相位信息。
After denoising, a series of operations, binarization, skeleton extraction, fringe order assignation and interpolation, were implemented and the three-dimension phase map was obtained.
研究目的：对海量影像和矢量数据的存储组织进行研究、设计开发和试验，解决第二次全国土地调查国家级数据库管理系统建设项目的技术瓶颈。
The purpose of the study is to address technical bottlenecks of the second national land survey state-level database management system by researching mass images and vector data storage technologies.
为此 ，用基于验算点处展开泰勒级数的哈桑———林德法计算了轴心压杆稳定可靠性的可靠性指标 ，并同均值一次二阶矩法作了比较 。
The result obtained has been compared with the one obtained by first order second moment (FOSM) method expanded about mean value.
首次选取泰勒级数的部分二次项，用一个距原点最近点处拟合的超低维曲面近似极限状态面。
Firstly part of quadratic term of Taylor series is chosen; a low-dimension surface is used to approximate limit state surface; and the modified reliability formula is derived.
以NCBI维护的一级数据库为数据源建立植物激素相关核酸和蛋白质二级数据库。
Using the biological primary databases at the National Center for Biotechnology Information (NCBI), we constructed a secondary database of phytohormone-related nucleotides and proteins.
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