查询词典 block structure

Various functional block structures of different factories home and abroad were analyzed and the structure characterizations of functional blocks were also summarized.

分析了国内外不同厂家功能块结构的异同点，总结出功能块结构的特点。

The cells are the building block of organisms. Their structure and function are of fundamental importance to many aspects of biological processes.

细胞是生物体的基本组成部分，它的结构和功能对生命活动具有重要意义。

Gin Pole - An "A" frame structure located at the top of standard derricks used to lift and lower the crown block into position.

天车人字架：一个" A "形框架结构，位于标准井架的顶部，用于起升和放下天车到指定位置。

The authors consider that the rock fault depression, formed by the graben fault block, and the black fracture zone, formed from the structure action of the Cambrian system formation, are characterized by weakness and easy deformation, which are th...

认为，由于"地堑式"断块形成的岩体断陷以及寨武系岩层中的构造作用形成的黑色破碎带，其特性软弱而易变形，是影响边坡稳定性的重要因素。因而，为确定合理的最终边坡角和安全生产及边坡维护提供了可靠依据。

Mine is too ancient geological ore mixed granite and granite porphyry, ores major components of SiO2, accounting for 76.54%, Al2O312.56%, Qianhui, the fine-grained gray granite block change crystal structure, long-ramp of 27 -- 36 percent, longer-35-42 percent, 20-29 percent quartz, rock weighing 2.6 T/m3, hardness of 5.9-6.3 degrees, the porosity of 0.62-1.03 percent, compressive 1670-1931 kg/cm2, bending 141-167 kg / cm2, ore reserves 2000 investigation Grade D geological reserves 10.02 million cubic meters, designed for the use of reserves of 7.99 million cubic meters; mining area of 0.4 cubic kilometres, the highest elevation of 151 meters, the minimum 56 meters, hilly slope, with perennial Shuixi, More sparse vegetation.

矿山地质矿体属太古代混合花岗岩及花岗斑岩，矿石主要成分SiO2，占76.54%，Al2O312.56%，浅灰，灰白色的细粒花岗变晶块状构造，斜长石含量27-36%，更长石35-42%，石英20-29%，岩石体重2.6T/m3，硬度5.9-6.3度，孔隙度0.62-1.03%，抗压1670-1931kg/cm2，抗折141-167kg/cm2，矿石储量2000勘测D级地质储量1002万立方米，设计利用储量为799万立方米；矿区面积0.4立方千米，最高海拔为151米，最低56米，丘陵缓坡，无常年水溪，植被较稀疏。

At the same time, the importance of block in the guardrail structure is embodied.

同时证明了护栏系统中防阻块的作用。

In this paper, a new type of platform gyrocompass with high accuracy is studied systematically in schema design and system realization, a preliminary structure block diagram of the platform gyrocompass is established.

本文对新型高精度平台罗经进行了系统的研究，分析了方案设计和系统实现两方面的内容，给出了-个新型高精度平台罗经的完整结构。

To block is broken and control these exasperate elements immerge is mixed diffuse, it is very important that covering layer is set in appearance of concrete structure substance.

为阻断和抑制这些恶化因素浸入和扩散，在混凝土结构物表面设置保护层极为重要。

A structure of space-time diversity virtual double-route weighting interference mitigating is proposed, and the corresponding practical algorithm is derived in detail using block matrix inversion formula and matrix inversion theory for mitigating interference signals from both other cells and other users of local cell in the DS-CDMA up-link communication case. Performances of such algorithm are thoroughly analyzed through simulation and analytical results. The up-link and down-link channel characters and their relationship of DS-CDMA communication system are thoroughly analyzed, and the relationship of space-time diversity weighting matrix between time division duplexing and frequency division duplexing these two different transmission ways is derived.

本论文深入地比较了DS-CDMA通信系统的上传情形与下传情形的信道特性及其它们相互之间的关系；深入地分析并得到了时分双工和频分双工两种不同的传输模式下的上传情形与下传情形的空时分集权系数矩阵之间的数量关系，从而使得能够利用在基站端所拥有的上传情形的空时分集接收权系数矩阵信息以及其他信息在基站端直接形成空时分集发射权系数矩阵；推导了下传情形移动用户接收机端的最优组合接收策略及其算法；进一步地，对时分双工传输模式下的下传情形的通信系统性能和频分双工传输模式下的下传情形的通信系统性能进行了深入的比较仿真研究。

Summary: The concept of matrix and its determinant computing, matrix determinant, matrix sub-block with the elementary transformation, invertible matrix, rank of matrix; vector and its computation, the linear relationship between vector, vector group of rank; linear equations of the nature and structure of linear equations; matrix eigenvalue and eigenvector, similar to matrix and matrix diagonalization conditions, the standard quadratic form with the normal forms, quadratic and symmetric matrix There are qualitative.

内容提要：行列式矩阵的概念及其运算，方阵的行列式，矩阵的分块与初等变换，可逆矩阵，矩阵的秩；向量及其运算，向量间的线性关系，向量组的秩；线性方程组的性质与结构，线性方程组的求解；矩阵的特征值与特征向量，相似矩阵与矩阵可对角化条件，二次型的标准形与规范形，二次型和对称阵的有定性。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失