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tuple相关的网络例句

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与 tuple 相关的网络例句 [注:此内容来源于网络,仅供参考]

This paper presents an IFMC CAD model that consits of a geometry model and a material model, in which the geometry space acts as a base space and the material space acts as a bundle space. In this CAD model, the geometry model is based on the non-manifold model. In addition, a half-face data sturucture, which is derived from the half-edge data structure with the non-manifold feature of IFMC taken into account, is adopted to represent the geometry and topology information of the component.For the material model of IFMC, this paper focuses on the FGM component representation firstly and present a simplex-subdivision based CAD data exchange format, in which the material information is represented as a (n-1) simplex and material .distributing feature is represented by the interpolation on the simplex-subdivision. Based on those, a part-building orientation optimization algorithm and an adaptive slicing algorithm for FGM component are presented in the paper.For the IFMC material model, the IFMC material information representation is divided into a meso-scale and a macro-scale representation. In the meso-scale, a concept named parameterized periodic functional meso-structure is presented as a unique form to represent the FGM (the homogeneous materials are regarded as a special FGM), the composite and the functional meso-structure material. The model of PMS is a three-tuple that contains the space stateinformatation, the material parameter and the material meso-scale distribution feature. The macro-scale material information representation is similar to the FGM components by interpolation of the control parameter of the periodical functional meso-structure based on the simplex-subdivision.Through an example of manufacturing-oriented IFMC CAD data processing, it is proved that the IFMC CAD model and the material information representation and process method proposed in this paper can provide a reliable data support for IFMC digital concurrent design and manufacturing.

本文将理想材料零件CAD模型建立在以几何空间为底空间、以材料空间为丛空间的结构上,使用非流形几何模型作为理想材料零件几何拓扑模型的基础,并在半边数据结构基础上,针对理想材料零件的非流形特征局限内部边界上的特点,给出了一个半面数据结构来表述零件的几何拓扑信息;对于理想材料零件的材料模型,本文先从功能梯度材料零件的信息表述与CAD数据交换和处理入手,将材料信息表述为(n-1)维单纯形,然后通过对三维几何区域的单纯剖分,以插值的方式表述零件材料分布特征;在此基础上,根据功能梯度材料零件分层制造中对CAD数据处理的要求,给出了综合考虑零件几何特征与材料特征的生长方向优化算法和自适应切片算法;而对于文中所定义的理想材料零件,本文将其材料信息表述分解到细观和宏观两个尺度进行,首先给出了细观尺度上参数化的周期性功能细结构概念,以此来统一表述功能梯度材料(单质材料作为特殊的功能梯度材料看待)、复合材料和功能细结构材料;把周期性功能细结构模型化为一个包含空间状态信息、材料构成参数和材料细观分布特征参数的三元组,以表达零件的细观材料特征;对于零件宏观的材料变化特征,则同样在几何区域单纯剖分的基础上,通过对细观尺度上周期性功能细结构控制参数的插值来完成;通过理想材料零件CAD数据处理的算例,验证了本文中理想材料零件CAD模型及材料信息表述与处理方法完全可以为理想材料零件的数字化制造提供可靠的数据支持。

We present an algorithm to compute the canonical form, which preserves the variable independence of every generalized tuple and prove its correctness.

我们给出了计算规范表示的算法,它能保持约束元组的变量独立,并证明了它的正确性。

In this study, on the basis of information theory and statistical methods, we use mutual information, n-tuple entropy and conditional entropy, combining with biological characteristics, to analyze the long range correlation and short range correlation in human Y chromosome palindromes.

本文中,我们利用信息论和统计学的方法并结合生物学的特征研究人类Y染色体回文序列的互信息、'n字'熵、条件熵,定量分析了回文序列的长程关联和短程关联,发现其中既存在长程关联,也存在短程关联,并且它们主要是由序列中的重复序列引起的。

Tuple by a doublet { x, E , where x is determined by

一个偶的元组{ x, E,哪里 x 被决定被

In brief,almost-homomorphism is more difficult than homomorphism on the operation of the elements of tuple,and it extends the application area of CDT translation.

总之,在元组元素的运算上几乎同态问题比同态问题更复杂些,并且它扩充了范畴数据类型变换的应用范围。

To display multiple fields on the same line, wrap those fields in their own tuple.

在一行里面显示多个字段,并且将这些字段装在它们自己的元组里。

We then iterate through the resulting list of tuples in the outermost for loop.

然后我们通过在最外层的for循环来在tuple的结果list上迭代。

With respect to the group decision making problem with multi-granularity linguistic preference relations,a method based on two-tuple linguistic information processing for aggregating individual preference relations is proposed.In the method,firstly,the definition of multi-granularity linguistic preference relation is given.

1引言在许多实际的群决策问题中,例如企业核心能力识别、客户关系管理中的目标客户选择等决策问题,由于决策者常常给出语言形式的评价信息,所以近年来关于具有语言形式评价信息的群决策理论与方法的研究得到了许多学者的关注[1-7]。

We can also use the groups method to obtain a tuple of all the substring matches.

我们可用groups方法获得一个包含所有匹配子组的元组的。

A state in spatio temporal database is represented by a ternary tuple about object, space and time.

时空数据库的状态是关于对象、空间和时间的三元组,时空数据库的变化就是状态的变化。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。