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基本序列
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  fundamental sequence
     Fundamental sequence and induced matroid sequence are two fundamental conceptions of fuzzy matroid and play an important role in fuzzy matroid.
     基本序列和导出拟阵序列是模糊拟阵的两个基本概念,在模糊拟阵中起着重要作用.
短句来源
     4) By studying the fundamental sequence of closed regular fuzzy matroid, some necessary and sufficient conditions of fundamental sequence of closed regular fuzzy matroid are found.
     4)研究了闭正规模糊拟阵的基本序列,找到了闭正规模糊拟阵的基本序列的几个充要条件。
短句来源
     The authors study the fundamental sequence of closed regular fuzzy matroids,and find some results concerning fundamental sequence:⑴some sufficient conditions of the fundamental sequence of closed regular fuzzy matroids;
     本文研究了闭正规模糊拟阵的基本序列,得到了与基本序列有关的几个结果:⑴闭正规模糊拟阵的基本序列的充分条件;
短句来源
     The fundamental sequence, fuzzy bases and its algorithm, fuzzy circuits and its algorithm are studied in this thesis are all important topics in the research fields of fuzzy matroids. They enrich the theory of fuzzy matroids and it is very useful for them to push the change of fuzzy matroid from basic research to application research.
     本论文研究的模糊拟阵的基本序列、模糊基及算法、模糊圈及算法都是模糊拟阵的重要内容,丰富了模糊拟阵理论,对于推动模糊拟阵从基础研究逐渐向应用研究的转变起着重要作用。
短句来源
     Based on the existed theory of mareoids and fuzzy matroids, this thesis studies the closed regular fuzzy matroid and its fundamental sequence, the fuzzy base and its algorithm of closed fuzzy matroids, the fuzzy circuit and its algorithm of closed fuzzy matroids and so on. The main contributions of this thesis are as follows:1) The necessary and sufficient condition of closed regular fuzzy matroid and a property of its fuzzy dual matroid are found by studying some properties of closed regular fuzzy matroid.
     本文在现有拟阵和模糊拟阵理论的基础上,研究了闭正规模糊拟阵及其基本序列,闭模糊拟阵的模糊基及算法、模糊圈及算法等内容,现分述如下:1)研究了闭正规模糊拟阵的一些性质,得到了闭正规模糊拟阵的充要条件及其模糊对偶拟阵的一个性质;
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  basic sequence
     According to the composition of RNA secondary structure,the RNA secondary structure is transformed into basic sequence by A′, U′, G′, C′ representing the A, U, G, C in the base-pairs of A-U, G-C and G-U, and we call it the characteristic sequence.
     根据RNA二级结构组成,用A′,U′,G′,C′分别表示基对A-U,G-C和基对G-U中的A,U,G,C,将RNA二级结构转化为基本序列,称之为RNA二级结构的特征序列。
短句来源
     Application of Some Basic Sequence about NMR and MRI Techniques in Food
     核磁共振及成像技术中的基本序列在食品中的应用
短句来源
     A summary of FCSR sequence was given,based on relations among FCSR sequence, 2-adic number and rational number with odd denominator,2-adic complexity,rational approximation algorithm and L-sequence were introduced,commentaries of their applications in stream cipher such as new index,basic sequence were given.
     首先简要综述了进位移位寄存器序列的已有结论,以FCSR序列、2—adic数和分母为奇数的有理数间的关系为线索,介绍了2—adic复杂度、有理逼近算法及L—序列; 然后从流密码安全性的新指标、作为基本序列等方面对FCSR序列的流密码价值进行了评价。
短句来源
     Conclusion DWI has imoportant value in distinguishing between brain abscess and necrotic and/or cystic brain tumor. It should be used as a basic sequence as other conventional MRI sequences.
     结论 DWI对脑脓肿与坏死囊变性脑肿瘤的鉴别诊断具有重价值 ,应与常规MRI序列一起列为基本序列
短句来源
     This article gives a brief introduces of FID,IR,CPMG and SE,which are several basic sequence in NMR and MRI,and they can be used in food.
     主要介绍了核磁共振及其成像技术中的FID,IR,CPMG和SE等几个基本序列,以及它们在食品中的主要应用。
短句来源
  “基本序列”译为未确定词的双语例句
     Fundamental Squence of Closed Regular Fuzzy Matroids
     闭正规模糊拟阵的基本序列
短句来源
     Four pairs of primers were designed in accordance with the basic sequences of TEM-1D, SHV-1, CTX-M-1 and OXA-1 in the GenBank, respectively.
     根据GenBank的基本序列设计TEM、SHV、CTX-M和OXA四对引物,分别用这些引物对表型确认试验证实产ESBLs的细菌进行PCR扩增。 结果
短句来源
     The basic order of 8 elements content was Zn>Cr>Ni>Pb>As>Cd>Hg although it was influenced by soil parent and climate condition greatly.
     调查的主要土壤类型尽管成土母质,气候等条件相差很大,但是八种元素基本序列仍为Zn>Cr>Ni>Cu>Pb>As>Cd>Hg。
短句来源
     These work provide the foundation for the rigorous semantic analysis and validation of UML sequence diagram.
     并定义了基本序列图 ,证明其具有全序的消息关系的性质 ,为序列图的语义分析与验证提供了基础。
短句来源
     Results Comparing with AB008394, the homology of TTV DNA sequence in the 11 samples was over 90%. However, its was only 87.1 % in Mongolian patients with hepatitis.
     结果本组11例部分基本序列与AB008394相比较,其核苷酸序列的同源性10例均在90%以上,仅蒙古族为87.1%。
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  fundamental sequence
In every ∞-dimensional separable Banach spaceX there is a fundamental sequence such that no subsequence of it, which is fundamental inX, is independent ("{xn} is fundamental inX" meansX=span {xn}).
      
The fundamental sequence of mating behaviour for these species was the same.
      
On weighted spaces with a fundamental sequence of bounded sets
      
In each FIR H-R diagram of YSOs of three nearby star-forming regions, YSOs in early evolutionary phase form a fundamental sequence, along which they move with increasing of the luminosity while keeping the mass of FIR emitting envelope.
      
A is a fundamental sequence in some constructive metric space and Ω is a regulator of its convergence into itself.
      
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  basic sequence
A rational and systematic approach to method development is presented in this report, following the basic sequence of a tutorial presented at the recent International Symposium on Chromatography in Leipzig.
      
The experimental and numerical results are in good agreement regarding this basic sequence of mode transitions, and the numerics are then used to study some of the finer details of the solutions that could not be observed in the experiment.
      
Within each group is the basic sequence, those which require a preparation of the magnetization, those which use multiple echoes to fill the k-space and those which are performed in a single shot.
      
The basic sequence was a T2-weighted single-shot half Fourier (HASTE) technique.
      
However the basic sequence of changes in puffing activity which occurs during late larval and prepupal development is very similar to that of D.
      
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  cauchy sequence
A natural notion of Cauchy sequence is introduced and Cauchy completeness is proved.
      
This paper develops a new algorithm, based on wave-front tracking, which yields a Cauchy sequence of approximate solutions, converging to a unique limit depending continuously on the initial data.
      
This paper considers the problem of defining Cauchy sequence and completeness in quasi-pseudo-metric spaces.
      
It is proved that a sequence (fn) of normal states on a maximal Op*-algebra L+(D) converges to a normal state if fn(A) is a Cauchy sequence for allA ?L+(D), while D satisfies some additional condition.
      
A normed space X is called complete if every Cauchy sequence in X converges to a point in X.
      
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This paper applies the Sequential Quadratic Programming(SQP) approach to structural dynamic optimization problems subject to constraints on multi-natural frequencies and dynamic response. The iteration algorithm based on SQP, which executes the frequency adjusting step and weight reducing step alternatively, enables us to deal with the initial infeasible design effectively. Further, we implement the coarse line search to define the step-length and adaptive move limit and make the algorithm stable and robust....

This paper applies the Sequential Quadratic Programming(SQP) approach to structural dynamic optimization problems subject to constraints on multi-natural frequencies and dynamic response. The iteration algorithm based on SQP, which executes the frequency adjusting step and weight reducing step alternatively, enables us to deal with the initial infeasible design effectively. Further, we implement the coarse line search to define the step-length and adaptive move limit and make the algorithm stable and robust. The effectiveness of the algorithm is demonstrated by several numerical examples.

本文将序列二次规划应用于受到多阶固有频率与动力响应约束的结构动力优化设计,构造了一种交替执行调频步与减重步的迭代算法,可以有效地处理不可行设计。同时采用粗糙一维搜索确定步长并求出自适应的运动极限,使算法稳定收敛到最优点,旋翼和各种断面的梁结构动力优化数值实验证明了算法的有效性。应用序列二次规划求解组合结构静力优化已取得显著效果。对受到多频率约束的动力优化设计,序列二次规划也是有效的,但实践表明动力优化设计有其特殊性,需要我们对基本的序列二次规划算法加以修改,以适应频率、动应力和动变位约束非线性程度较高、初始设计往往不可行的特点。文[4]分析了数学规划法和结构优化中处理一维搜索的不同策略,指出应当引入粗糙一维搜索以保证算法的稳定收敛及数学的严谨性,本文将这一方法应用到动力优化中。

An investigation was made on background value of Cu, Zn, Pb, Cd, Ni, Cr, Hg, and As as well as F, Mo, Co, Ti in 36 main soils in Beijing, downs- tream of Yellow river, east Shandong Peninsula, Taihu basin, Shanxi province, west Sichuan Plain, Chongqing and part of Xinjiang and Guizhou province. After rejecting the outlying value and testing the distribution type, background value was presented depending on distibution type. Results showed that contents of Cu, Zn Pb, Cd, Ni, Cr As and Hg were within the range...

An investigation was made on background value of Cu, Zn, Pb, Cd, Ni, Cr, Hg, and As as well as F, Mo, Co, Ti in 36 main soils in Beijing, downs- tream of Yellow river, east Shandong Peninsula, Taihu basin, Shanxi province, west Sichuan Plain, Chongqing and part of Xinjiang and Guizhou province. After rejecting the outlying value and testing the distribution type, background value was presented depending on distibution type. Results showed that contents of Cu, Zn Pb, Cd, Ni, Cr As and Hg were within the range reported and varied with soil type and region concerned. The basic order of 8 elements content was Zn>Cr>Ni>Pb>As>Cd>Hg although it was influenced by soil parent and climate condition greatly. Position replacement of neighbouring element was related to soil formation condition and agricultural practices. The order of general average background of 8 element in soil in studied regions was Yellow earth, Middle-north of Guizhou>Paddy soil, west of Sichuan>Paddy soil, Taihu basin>Purple soil, east of Sichuan>Lou soil, Shanxi>Warping soil, Xinjiang>Loessel soil, north of Shanxi>Chao soil, downstream of Yellow River>Drab soil, Beijing>Brown soil, east of Shandong. Correlation analysis showed that 82% of element pair was in significant level for 36 soils except As. Elements content in soils were lowered gradually from topsoil to subsoil, op- posite result was obtained for purple soil from Chongqing, Sichuan Province. The distribution of element in soil profile was related to the characteristics of elements, soil parent, topography, climate and intensity of geological leaching and biological accumulation. It was also found that topography and geomorphy, soil parent, water system, soil texture etc. influenced background value of soil element significantly.

对我国北京、黄河下游、胶东半岛、太湖流域、陕西、重庆、川西平原、新疆、贵州等九个农业自然区36个主要土类和亚类调查了Cu、Zn、Pb、Cd、Ni、Cr,Hg和As以及F、Mo、Co、Ti等元素背景含量。调查结果经异常值剔除、元素分布类型检验后,用平均值加减标准差或几何平均值乘除几何标准差表示。结果表明八种元素含量皆在一般报道值范围内,含量因地区和土壤类型而异。调查的主要土壤类型尽管成土母质,气候等条件相差很大,但是八种元素基本序列仍为Zn>Cr>Ni>Cu>Pb>As>Cd>Hg。相邻元素的位置改变与成土条件及农业措施有关。各自然区八种元素总体背景含量序列为:黔中北黄壤>川西水稻土>太湖水稻土>川东紫色土>关中(土娄)土>新疆灌耕土>陕西黄绵土>黄河下游潮土>北京褐土>胶东棕壤。经36个土类和亚类相关分析,表明有82%的元素对到达显著水平。除As外,各重金属元素之间一般具有较好的相关性。元素在土壤中一般表现为表层向下逐步减小趋势,但紫色土相反。各元素在土壤剖面中分布状况与元素特性、母质,地形、气候以及地质淋溶和生物积累强弱有关。调查表明地形地貌、母质、水系、机械组成等因素对土壤背景值有显著影响。

The article introduces the notion of order into abstract field,at the same time establishes the notion called the ordered field and proves its some properties, the comparison of the ordered field with the field of real numbers will certainly deduce the density and real property of the ordered field. After the fundamental sequence and its limit are defined .broad prospect for the introduction of the real analysis into the ordered field will be opened up. In the end. the well-known example of application of the...

The article introduces the notion of order into abstract field,at the same time establishes the notion called the ordered field and proves its some properties, the comparison of the ordered field with the field of real numbers will certainly deduce the density and real property of the ordered field. After the fundamental sequence and its limit are defined .broad prospect for the introduction of the real analysis into the ordered field will be opened up. In the end. the well-known example of application of the ordered field is quoted,so as to show the following argument:the method of scientific abstract can still more systematically. perfectly and intrinsically reflect objective laws in some concrete matters.

介绍将序的概念如何引进到抽象域中及有序域的概念,证明了有序域的一些性质。类比于实数域,讨论了有序域的稠密性及实性。在定义了基本序列及其极限之后,为把实分析理论推广到有序域上创造了条件。文末介绍了有序域理论应用的一个著名例子,从而说明科学的抽象能够更系统、完整、本质地反映具体事物的客观规律。

 
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