极型

For a given strictly proper rational function matrix over a commutative Banach algebra, the controllable, observable realizations have been constructed, the uniqueness of minimal realizations under the system equivalence has been proved, also, the necessary and sufficient conditions for decoupling have been given.

对给定的定义在交换Banach代数上的严格真有理函数矩阵，构造了可控型、可观型的实现，证明了其极小实现在系统等价意义下的唯一性；给出了交换B.fi。

ABSTRACT In this thesis, using the methods of ODE and calculus of variations, we prove the existence of radial and non-radial solutions of some classes of quasilinear elliptic equations.

本文主要是用ODE方法和极小变分方法证明拟线性椭圆型方程径向解和非径向解的存在性，用先验估计方法证明拟线性抛物型方程整体解的不存在性，得到了一些关于拟线性方程的新结果。

The company had introduced advanced High Speed Cluny Lace Braiding machine to produce and sell cotton or other materials thread braiding decorating trimmings with High Quality and Cheap prices.

公司创始于九十年代初期，励精图治于二00二年五月成立合资企业，引进日本先进的高密梭型编织机，主营生产，销售高品质的棉质，丝质及混纺型装饰性，实用性极强的编织花边，棉线编织花边网布及里巴花边。

In this paper, for m× n Loewner-type matrix or symmetric Loewner-type matrix with full column rank, we form special block matrix firstly and research their triangular factorization or of its inverse, and then get the fast algorithm of the minimal norm least squaresolution .

本文对于秩为n的m×n阶Loewner型或对称Loewner型矩阵L，通过构造特殊分块矩阵并研究其逆的三角分解或自身三角分解，进而得到了线性方程组Lx=b的极小范数最小二乘解快速算法，计算复杂度为O+O(n~2)，而一般方法的计算复杂度为O(mn~2)+O(n~3)。

In Chapter three, by constructing a special partitioned matrix and studying the fast triangular factorization of its inverse matrix, we respectively give fast algorithms for the minimal norm least squares solutions of linear equations which coefficient matrices are n×m Toeplitz type matrices and Vandermonde-Loewner type matrices with full column rank.

第三章通过构造特殊分块矩阵并研究其逆矩阵的快速三角分解，分别给出了求以秩为m的n×m阶Toeplitz型矩阵和Vandermonde-Loewner型矩阵为系数阵的线性方程组极小范数最小二乘解的快速算法，并通过算例将新算法与已有的法方程组的方法和正交化方法作了比较。

In this article, we will use this novel finite particle method to analyse several important and interesting dynamics problems in neat/insighting style, including the maximum and minimum period problem of the compound pendulum oscillation, plane impact problem and the spin and precession direction problems of the oblate and prolate satellites.

本文将透过先进的有限质点法，以极简的风格来分析几种重要而有趣的动力问题，包括复摆的最大及最小周期、刚体的角碰撞问题、薄碟型人造卫星公自转反向问题以及细长型人造卫星公自转同向问题。

Different genotypes between AA and Aa had significant difference with curvation of panicle neck, stem and leaf properties and panicle traits in erect panicle plant.

不同基因型直立穗型植株的颈穗弯曲度、茎叶性状、穗部性状都存在显著或极显著差异，进一步验证了前述直立穗性状可能是不完全显性的结论。

SN54LS596J is a monolithic, high-voltage, medium-current power logic 8-bit D-type latch, with eight positive edge-triggered D-type flip-flop, there is a direct clear-side, each flip-flop is the drain Open power DMOS transistor output, can provide 150mA continuous current, for the need for relatively high load power system design.

SN54LS596J是一种单片、高电压、中等电流的功率逻辑8位D型锁存器，具有8个正边沿触发的D型触发器，有一个直接清零端，每个触发器都是漏极开路功率DMOS晶体管输出，能提供150mA连续电流，专为用于需要相对高的负载功率的系统设计。

It is composed of a compact normal incidence multiplayer telescope and a grazing incidence Wolter-I telescope.

该望远镜是把小结构尺寸的卡塞格林型极紫外波段正入射望远镜放置在软X射线波段，并由常用的Wolter Ⅰ型掠入射望远镜的中心部分组成。

Pollcn morphology of 11 Heracleum species was examined under LM andSEM. It is shown that pollens of these specics are all of retangular type andequatorial constricted type, with polar views of 3-splitted round, obtuse triangle ortrianglc. Interspecific variations exhibit in pollen size and exine exolamelle.

对独活属11种植物的花粉进行光镜和扫描电镜观察发现，本属花粉为伞形科中比较进化的矩形型和赤道收缩型；极面观3裂圆形、钝三角形、三角形；花粉大小及外壁纹饰在种间存在明显差异。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。