查询词典 discrete category

Liu shop,(Phthalocyanine Blue types of inorganic acid potassium sodium ammonium category category category of lead type vanadium strontium zirconium category category category magnesium barium cerium type calcium-type lithium-cobalt-bismuth-type copper-type mercury-type titanium category cadmium zinc category category category chrome silver category Organic Ni-Mn-type iron-type tin) was founded in 1983, is specializing in the production of chemical reagents from large and small packaging and specializing in the production of phthalocyanine blue merger of the two plants, located Liulihe gate in the town southwest of Beijing, close to 107 National Road and Beijing-Shijiazhuang Expressway, the traffic is very convenient.

北京市刘店化学试剂有限公司，（酞菁蓝无机酸类钾类钠类铅类铵类钒类锶类镁类锆类铈类钡类钙类锂类铋类钴类汞类铜类钛类镉类锌类铬类银类锰类有机类镍类铁类锡类）始建于1983年，是由专业生产化学试剂大、小包装和专业生产酞菁蓝两个厂合并而成，座落于北京市西南大门琉璃河镇，紧临107国道和京石高速公路，交通非常便利。

Discrete calculus , discrete probability distribution s, discrete Fourier transform s, discrete geometry , discrete logarithm s, discrete differential geometry , discrete exterior calculus , discrete Morse theory , difference equation s, and discrete dynamical system s.

在应用数学中，离散模型连续模型的离散近似。在离散模型中，离散方程are fit to 数据。使用递推关系是这种建模方式的一般方法。时标微积分是差分方程理论与微分方程理论的统一，应用在需要建立离散和连续同步数据模型的领域。

Our company has a great production scale production of high-precision bearings, It mainly produces category 0-deep groove ball bearings, Category 1-aligning ball roller bearings, category 2- cylindrical roller bearings, category 3--aligning roller bearings, category 6- contacts cross roller bearings, category 7- tapered roller bearings, category 8- thrust ball bearings, category 9- thrust roller bearings and spherical bearings, Imperial roller bearings.

我们公司有一个很大的生产规模，生产的高精密轴承，它主要生产类0 -深沟球轴承，第1类调心球滚子轴承，第2类-圆柱滚子轴承，第3类-调心滚子轴承，6类-接触，交叉滚子轴承， 7类-圆锥滚子轴承，8类-推力球轴承，九类-推力滚子轴承和球面轴承，英制滚子轴承。

Our company has a great production scale production of high-precision bearings,It mainly produces category 0-deep groove ball bearings, Category 1-aligning ball roller bearings, category 2- cylindrical roller bearings, category 3--aligning roller bearings, category 6- contacts cross roller bearings, category 7- tapered roller bearings, category 8- thrust ball bearings, category 9- thrust roller bearings and spherical bearings, Imperial roller bearings.

我们的公司有高精密度的轴承的巨大生产标度生产，它主要导致类别0深凹线滚珠轴承，类别1排列的球滚柱轴承，类别2 -圆柱形滚柱轴承，类别3--排列的滚柱轴承，类别6 -联络发怒滚柱轴承，类别7 -圆锥滚柱轴承，类别8 -推滚珠轴承，类别9 -推了滚柱轴承和球状轴承，皇家滚柱轴承。

Thirdly, on the base of the existent error estimate of elliptical Galerkin projection operator, obtain semi-discrete and complete-discrete error estimates betwent EFG solution and exact solution of parabolic partial differential equation. Semi-discrete error estimate show that the rank of r is accordance with the approximation rank of subspace S_h. Complete-discrete error estimates show that it not only have relation with radius r of domain of influence, but also have relation with the step length of time variable and the way of discrete.Lastly, give typical examples and draw up procedures of MATLAB.

再次，在"椭圆Galerkin投影"算子的误差估计的基础上，对用EFG法解抛物型偏微分方程的EFG解与精确解之间作了半离散和全离散的误差估计，半离散的误差估计表明所给出的误差界限关于r的阶是与子空间S_h的逼近阶相一致的，全离散的误差估计表明所产生的误差不但与影响域半径r有关，而且与离散时间变量的步长τ及其离散方式有关。

Using the mathematical tool"DifferenceGeometry",it is possible to define the discrete geometric metrics such as discretefirst fundamental form,discrete second fundamental form,discrete unit mainnormal vector,discrete Gauss curvature,discrete mean curvature and discreteLaplacian.

首先，运用"差分几何"这一工具，可以构造离散第一、第二基本形式，离散单位主法向，离散高斯曲率，离散中曲率等离散几何量和离散Laplace算子。

Seedlings operating more than 800 species, mainly breeding necessary to promote various types of garden landscaping to protect two species of the country, and a variety of new Coleus excellent tree species, street trees, flowering shrubs, trees, color categories, Hedge category, ornamental bamboo , flowers, bonsai category, flower category Lei, Flacourtia category by category, type of lawn, flower holiday, such as a total of 23 major categories of nursery stock range and constantly introduce new varieties and products to adapt to many northern and western climate cold, nicotinic soil, soil drought and other adverse natural environment, so best-selling nursery stock throughout the country, such as Beijing, Shanghai, Anhui, Guangdong, Hebei, Shandong, Ningxia, Gansu, Qinghai, Shaanxi, Shanxi, Sichuan, Inner Mongolia, Dalian, Heilongjiang and other places.

经营苗木品种达800余个，主要繁育推广各类园林造景必需的国家二级保护树种，以及各类新优彩叶树种、行道树、花灌木、乔木、色块类、绿篱类、观赏竹类、花卉盆景类、花篱类、刺篱类、地被类、草坪类、节日草花等共达23大类，苗木品种齐全且不断推出新品种，产品多适应北方、西部气候寒冷、烟碱性土壤，土质干旱等恶劣的自然环境，所以苗木畅销全国各地，如北京、上海、安徽、广东、河北、山东、宁夏、甘肃，青海，陕西，山西，四川，内蒙，大连，黑龙江等地。

The basic idea is to set a continuous solution of the region with a finite number of discrete points instead of a grid consisting of, these discrete points called grid nodes the solution of a continuous area on a given function of continuous variables used in the definition of discrete grid variable function approximation the original equation and boundary conditions in the micro-business operators to approximate differential, integral with the points and to approximate, so the original differential equations and boundary conditions are replaced by algebraic equations near Side, that is, finite difference equations , solve this equation group can get the original problem in discrete points on the approximate solution.

基本思想是把连续的定解区域用有限个离散点构成的网格来代替，这些离散点称作网格的节点；把连续定解区域上的连续变量的函数用在网格上定义的离散变量函数来近似；把原方程和定解条件中的微商用差商来近似，积分用积分和来近似，于是原微分方程和定解条件就近似地代之以代数方程组，即有限差分方程组，解此方程组就可以得到原问题在离散点上的近似解。

The underlying uniformity on a discrete metric space is the discrete uniformity, and the underlying topology on a discrete uniform space is the discrete topology.

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Metaphor is the cognitive way to conceptualize an abstract category on the basis of the experiences in another category within a different domain, and metonymy is the cognitive way to activate one cognitive category by referring to another category within the same domain.

隐喻是人类将其某一领域的经验用来说明或理解另一类领域的一种认知方式，转喻是同一认知域内相关联的两个事物中，一个突显事物替代另一事物的认知方式。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。