查询词典 vector analysis

Although we can preallocate a given number of elements in a vector, it is usually more efficient to define an empty vector and add elements to it (as we'll learn how to do shortly).

虽然可以对给定元素个数的 vector 对象预先分配内存，但更有效的方法是先初始化一个空 vector 对象，然后再动态地增加元素（我们随后将学习如何进行这样的操作）。

AIM: To construct the eukaryotic expressing vector of human cbl and test its expression in African green monkey kidney cell line COS 7. METHODS: Human cbl gene tagged with flag was amplified from pEFHAcbl plasmid by PCR. The product was cloned into pGEM T easy, sequenced and then subcloned into eukaryotic expressing vector pcDNA3.1.

以含有人全长cbl cDNA的质粒pEFHAcbl 为模板，采用PCR方法扩增cbl基因，并在其N 末端带上含24 bp的flag标签，克隆到pGEM T easy载体并测序，再亚克隆至真核表达载体pcDNA3 1，酶切鉴定正确后采用脂质体法瞬时转染COS 7细胞，Western blot检测flag cbl在细胞中的表达。

A SV40 based shuttle vector pSP189 and African green monkey kidney cell line was appied , which constitute a shuttle vector /mammalian cell system to detect mutagenesis in vitro induced by animal drugs olaqiundox and quinocetone.

本研究将基于SV40病毒的短暂复制型穿梭质粒pSP189与非洲绿猴肾Vero细胞组成穿梭质粒／哺乳动物细胞诱变检测系统，并将该系统应用于兽药喹乙醇和喹烯酮的诱变性检测。

METHODS: Human cbl gene tagged with flag was amplified from pEFHAcbl plasmid by PCR. The product was cAIM: To construct the eukaryotic expressing vector of human cbl and test its expression in African green monkey kidney cell line COS7. METHODS: Human cbl gene tagged with flag was amplified from pEFHAcbl plasmid by PCR. The product was cloned into pGEMT easy, sequenced and then subcloned into eukaryotic expressing vector pcDNA3.1.

以含有人全长cbl cDNA的质粒pEFHAcbl 为模板，采用PCR方法扩增cbl基因，并在其N末端带上含24 bp的flag标签，克隆到pGEMT easy载体并测序，再亚克隆至真核表达载体pcDNA31，酶切鉴定正确后采用脂质体法瞬时转染COS7细胞，Western blot检测flagcbl在细胞中的表达。

Linear algebra also plays an important part in analysis, notably, in the description of higher order derivatives in vector analysis and the study of tensor products and alternating maps.

这样向量可以用来表示物理量比如比力，可以做加法或和标量做乘法。如此形成了第一个例子：实数向量空间。

Second, in the viewpoint of crypto analysis, the practical requirement for the cryptographic function is to construct the function that can resist all the known crypto analysis and attacks. In advanced, the main cryptographic properties are compared, and the relation among these cryptographic properties is analyzed, including the trade-off ones. Get the conclusion that the construction of cryptographic Boolean function is to find out the proper Boolean function in the whole vector space under the restriction of several cryptographic properties required for the security system.

然后本文从密码分析的角度，讨论了密码函数的实际需求，即构造能够抵抗已有密码分析与攻击的布尔函数；分析了布尔函数的主要的密码学性质，并比较了这些性质之间的相互关系，包括制约的关系；得出了构造布尔函数的实质的结论，即在向量空间中构造全体布尔函数，以所需的若干密码学性质作为限制条件，用有限域上的多项式、Walsh谱、Hadamard矩阵等数学工具找出适当的布尔函数用于加密体制的设计。

Principal analysis ; factor analysis ; characteristic value ; characteristic Vector ; specific gravity ; rate of loading

主成分分析；因子分析；特征值；特征向量；比重；负荷率

The analysis of lake experiment's data validate the supposing model of vector sensor and some theories, including the dropping noise-field analysis, the distance testing, the biasing phenomenon of bearing-time course and the spectrum comparison between acoustic intensity and pressure.

湖试数据的实验分析，验证了矢量传感器的模型假设及其部分理论和现象，包括"雨滴"噪声场分析、"拉距"实验分析、方位时间历程的有偏现象以及声强谱与声压谱的比较，其间提出的5种谱级信噪比的估计方法，适用于实验环境的评估。

Based on the research work of basic theories including phase space reconstruction,embedding theorem,correlation dimension,local dynamics,Lyapunov exponents,surrogate data etc,based on the research work of general methods such as principal component analysis,correlation dimension GP algorithm,false neighbors method,nonlinear time series prediction,local prediction, adaptive prediction,neural network model,support vector machines regression model, prediction power,nonlinear detection,coarse-graining methodology,conditional entropy and so on,the framework of nonlinear time series analysis are constructed.

在对包括相空间重构、嵌入定理、关联维数、局部动力学、Lyapunov指数、替代数据(来源：A97BC论文网www.abclunwen.com)、等基本理论与其物理意义的研究和讨论基础上；在对包括主分量分析、关联维数GP算法、伪邻近点法、非线性时间序列预测、局域预测、自适应预测、神经网络模型、支持向量回归模型、预测效果、非线性检测、粗粒化方法、条件熵等非线性时间序列一般分析方法的原理和算法研究基础上；构建了新的非线性时间序列分析的理论体系，归纳总结了非线性时间序列分析的基本问题和主要研究方面。2。

The stratigraphic completeness was figured out, which improved the resolution of recognition of sequences; the fractal dimensions of log curves change abnormally at SBs and fs, being a good parameter in high-resolution sequence stratigraphic analysis and explanation of the complexity of geological background; the fixed vector and the transfer step of the probability matrix can be used in describing quantitatively the randomicity law of the evolution of stratigraphic accumulation, being helpful in analysis of sedimentary series.

测井序列的小波变换不仅可以直观方便地识别层序、准层序界面，而且，与FFT相结合进一步识别出其中的米氏旋回层，并计算出层段地层完整性，大大提高了层序识别分辨率；测井曲线的分形维数在测井层序界面及海泛面处有异常反映，是高分辨层序分析及地质背景复杂性解释的有效参数；固定向量和状态矩阵转移步数可定量描述沉积序列演化的随机规律性，是地层序列分析的辅助手段。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。