查询词典 summation formula

Howff for multi-storey whose exterior-wall area generally is forty four percent of the total area of exterior-protected construction and stair area is about to twenty percent which the summation is sixty six percent.

对于多层居住建筑，外墙面积一般约占围护结构面总积的44%，楼梯间面积约占22%，两者合计约占66%，可见，墙体是围护结构重要的组成部分。

In Chapter 2, we introduce the basic knowledge of the basic hypergeometric series, including basic concepts, some summation formulas, transformation formulas, etc.

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。

Aiming at characteristics of land subsidence in Harbin City , based on investigation of settlement traces, the author used the layerwise summation method from the Rock Soil Engineering Reconnaissance Specification to calculate settling volumes of two infundibulum center regions, where are the Heavy Machinery Plant and Jiancaoling Town.

针对哈尔滨市区地面沉降特点，根据地面沉降痕迹调查，利用岩土工程勘察规范中的"分层总和"法，分别对两个漏斗中心重型机器厂和菅草岭的沉降量进行计算。

The individual action regulation that problem of enterprise interior ethics is industry member and the summation that its are not cooperative rich play chess to concern.

企业内部伦理问题是企业成员的个体行为规则及其非合作博弈关系的总和。

Governmental action is the summation of the content of government organization and activity of its staff member, limits, means, it is all sorts of administrative jussive carrier, its move to follow the change of economic system and be adjusted ceaselessly.

政府行为是政府机关及其工作人员活动的内容、范围、方式的总和，是各种行政命令的载体，其运行随经济体制的变化而不断调整。

This can be expressed by where X i and x i are undeformed and deformed positions of a point in direction i respectively,d ij denotes the Kronecker delta,and the summation convention of summing on all repeated indices is used.

E ij [15，16]。这个可以用下面的式子来表达一个点Xi和xi在各自方向上未变形的和变形的位置 dij表示克罗内克δ，使用反复连续指数的求和。

In Chapter 4, by some important summation formulas, we prove some results of number theory, such as Jacobi two square numbers theorem and Lagrange four square numbers theorem.

第四章：应用第二章介绍的几个重要求和公式，证明了数论中的若干结果。

A beamforming algorithm of array with virtual based on least squares estimator is presented, and the modified algorithm is proposed further. In this thesis, we also study the beamforming algorithm of array with virtual elements based on time delay and summation.

提出了基于线性预测的虚拟阵元波束形成方法，提出了基于最小二乘估计的虚拟阵元波束形成方法，并进一步提出了基于最小二乘估计的虚拟阵元波束形成方法的改进方法，最后研究了延迟求和虚拟阵元波束形成方法。

The effects of beamforming algorithm of array with virtual elements based on linear prediction, on modified least squares estimator, and on time delay and summation are thoroughly studied via 1998's Songhua Lake experiment. The

分别应用基于线形预测的虚拟阵元波束形成算法，基于改进最小二乘估计虚拟阵元波束形成算法和延迟求和虚拟阵元波束形成算法，对1998年松花湖湖试数据进行了预成多波束处理，实验数据的处理验证了本文所提方法的可行性和优越性。

To improve the computational efficiency,the scattering phase function is expanded and truncated as the summation of orthogonal polynomials such as Legendre function.

在有限计算资源的限制下，寻找最优的有限展开算法，获得能量守恒物理要求下的散射方向特征的准确性，是多年来辐射传输算法的追求目标。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。