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The zonal translation networks on the unit sphere is constructed with the best approximation of spherical harmonic polynomials and the Riesz means. The Jackson theorem of approximation by such kind of zonal translation is established.

借助于球调和多项式的最佳逼近多项式和Riesz平均构造出了单位球面S上的带形平移网络,并建立了球面带形平移网络对LS(上标 q中函数一致逼近的Jackson型定理。

In 1919 while serving a compulsory stint in the military, Nurmi entered a 20-k march carrying a rifle, a cartridge belt and a knapsack filled with 5 kg of sand.

1919年,当他在军中服义务役的时候,努尔米带着一支步枪,腰上系着弹带,背上背着装有5公斤沙子的背包参加20公里行军。

In 1919 while serving a compulsory stint in the military, Nurmi entered a 20-kmarch carrying a rifle, a cartridge belt and a knapsack filled with 5 kg of sand.

1919年,当他在军中服义务役的时候,努尔米带着一支步枪,腰上系着弹带,背上背着装有5公斤沙子的背包参加20公里行军。

Granulosus is further;2. In differentiation of closely relatedspecies, the changes in heterochromatin and pericentric inversions are key factors, this is wellnoted in the small chromosomes;3. A. mantzorum has well-differentiated XY type sex chromo-'.omes, the Y chromosome is mainly composed of euchromatin, but has strong C-band in themiddle of the long arm. It is suggested that the Y chromosome of A. mantzorum is in the-initial stage of sex chromosome differentiation.

结果表明:(1)四川湍蛙、理县湍蛙和棕点湍蛙之间的亲缘关系较近,而它们与棘皮湍蛙的亲缘关系较远;2)在近缘种的分化中,染色体结构异染色质的变化和臂间倒位是重要的因素之一,这在小型染色体上表现得尤为突出;四川湍蛙具有在形态上分化很明显的性染色体。C带分析表明,此性染色体主要由常染色质构成,但在其Y染色体的长臂上存在明显的中间C带,推测尚处于性染色体分化的初期阶段。

Shen prove a short time existence theorem for manifolds with umbilical boundary. He also derived the Simons' identity for the boundary under the Ricci flow. And as a corollary, Shen show that any three-manifolds with totally geodesic boundary which admits positive Ricci curvature can be deformed to a space form with totally geodesic

而带边流形上的Ricci流的研究始于Shen,在1996年,Shen在中考虑带边三维流形上的黎曼度量的Ricci形变,证明了如果初始三维流形的黎曼度量具有正Ricci曲率和全测地边界,则此三维黎曼流形上存在着常正曲率的黎曼度量。

Recently,atoms with higher order vanishing moment were defined by Krant-z etc on some particular spaces of homogeneous type,but it hasn't been solvedthoroughly on usual spaces of homogeneous type.On the other hand,krantz'sstudy was made under the condition which the measure of the sets constructedby single element is zero,therefore their work didn't include the case of integ-er Z as a particular space of homogeneous type.Indeed,as a Hardy space on Z,〓(0<p≤1)has been studied by some scholars.

尽管近来Krantz等人在某些齐型空间上定义了带高阶消失矩的原子,但在一般的齐型空间上建立带高阶消失矩的原子Hardy空间还没有完全解决,而且Krantz等人的工作是在单点集测度为零的条件下讨论的,因而不包括作为齐型空间的整数Z的情形。Z作为一类特殊的齐型空间,其上Hardy空间〓的问题有不少学者讨论过。

The monotony and extremum theory of function are applied to prove the geometrical characteristic of error hand for 2D linear segment uncertainty ε(subscript σ) model in theory. The result shows that the error hand has the geometrical shape of "larger ends and smaller middle" or "one end larger and the other smaller". The minimum width and its exact position of the error hand are calculated too. It is proved that the minimum width position of the error hand is near the end with the smaller mean square error.

运用函数单调性和极值理论,从理论上证明ε模型的误差带的几何特征;得到线元误差带不仅具有&两端大、中同小&,而且也可能具有&一端大、一端小&的几何形状;给出了误差带的最小带宽及其位置;论证了误差带的最小误差带宽的位置靠近中误差较小的一端。

The result would be used in tobacco breeding.4 SRAP technology is used to study the genetic differences among different types of tobacco, including flue-cured tobacco, oriental tobacco, maryland tobacco, burley tobacco, and air/sun cured tobacco, five pairs of primer combinations which can amplify characteristic bands has been screened. Among the five combinations, two of them (SF25*SR2 and SF3*SR26) can distinguish air-cured tobacco including maryland tobacco and Burley tobacco from the other cultivated forms; SF20*SR14 can distinguish sun cured tobacco including oriental tobacco and sun-cured tobacco; SF16*SR14 can distinguish flue-cured tobacco and air-cured tobacco, and SF22*SR14 can distinguish DBJ599 with specisl aroma and the other flue-cured tobacco.5 8 varieties , which represent the different types of tobacco, are divided into 3 groups. I: G-28, II:DBJ599、MD40、By21, III: Basma、Sumsun、XNS、QCT. The cluster analysis result es consistant with experience evatuation.6 Anorthogonal design was used to optimize a ILP-PCR system with 5 factors (DNA, Mg2+, dNTP, primer and Taq polymerase) at 4 levels.The result showed the optimized ILP-PCR system for Nicotiana tabacum L. was: 2uL10×PCRbuffer, 20ng template DNA, Mg2+ 2.0mmol/L, dNTP 150umol/L, primer 0.3umol/L, Taq DNA polymerase 1 U in a total of 20uL reactionsolution.

研究结果可作为烤烟与香料烟类型间的杂种鉴定利用的实验与理论依据。4、利用SRAP标记技术,研究和分析了烤烟、晒烟、晾烟、白肋烟、香料烟等不同栽培类型间的基因型差异,初步筛选出了能够在分子水平上反映不同烟草类型差异的特征性标记带:晾烟MD40、Ky17、Burley21、TN90基因型共有的特征带有两对引物组合,分别为SF25*SR2和SF3*SR26;晒烟小牛舌、青梗、小花青和香料烟Sumsun、komotini Basma、Xanthi Basma共有的特征带引物组合为SF20*SR14;NC89、K326、G-28、大白筋和MD40、Ky17、Burley21、TN90共有的特征带引物组合为SF16*SR14,烤烟中大白筋599的特征带引物组合SF22*SR14.5、利用61对SRAP引物组合,研究了普通烟草不同类型间的亲缘关系,将普通烟草类型间8个不同供试材料划分为3类别。I:烤烟类型G-28II:白肋烟类型(MD40、By21、大白筋599III:香料烟类型(Basma、Sumsun、小牛舌、千层塔)。

At the beginning the representatives of elementary rectangular band of E-unitary in-verse semigroups is studied, with the congruences on lattices and on completely simplesemigroups the congruences and congruence lattices on elementary rectangular band ofE-unitary inverse semigroups are described.

首先研究了E-酉逆半群基本矩形带的结构表示形式,用半格上的同余和完全单半群上的同余刻画了E-酉逆半群基本矩形带的上的同余和同余格。

In addition, the Company sell a variety of imports, domestic band saw blade, high-speed steel machine saw blade, saw blade with the sole agent of the varieties have the volume of band saw blade, Shanghai Airlines, Huada sawing industry, the Austrian material grinding, Japan NCC, the United States Theis , Germany bootle, Germany hebert, USA thistle, Hunan band saw and so on.

另外,本公司代理销售各种进口、国产带锯条、高速钢机用锯条,总代理的带锯条的品种有上海航量带锯条,华达锯业,奥料精磨,日本NCC,美国泰斯,德国布特尔,德国埃贝尔,美国斯尔,湖南带锯等等。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。