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The richness center of the Theaceae plant species under study is located in the mountainous area of north Guaugdong (22.5°N, and 112~115°E). These plants species exhibited significant longitudinal difference (P=0.0012), and latitudinal variation (P=0.0049). Canonical Correspondence Analysis showed the distribution of plant species could be explained by caloric factors and moisture factors, and MAMI (mean annual minimum temperature) was the key factor determining the distribution pattern of Theaceae plant species richness in the study area.

对125种植物、72个网格和6个环境因子进行典范对应分析表明:CCA排序轴第1轴主要代表温度的变化梯度,第2轴主要代表水分的变化梯度,说明水分、温度等因素共同影响山茶科植物在广东的生长和分布,其中年均最低温度是影响广东省山茶科植物丰富度水平地带性格局的最大因子。

The relationship among three ensemble s (microcanonical ensemble ,canonical ensemble ,and grand canonical ensemble ) was discussed by means of derivation of distribution function,calculation of partition function,clarification of the basic thermodynamics as well as the fluctuations of particles in order to get profound cognition of these three ensemble s.

从三则系综(微正则系综、正则系综和巨正则系综)分布函数的推导,配分函数的计算,基本热力学量的表达及能量、粒子数的涨落等方面来讨论三则系综之间的关系,以便更深刻地认识三则系综之间的关系、灵活运用三则系综来解决实际问题。

According to homogeneous assumption,based on the fundamental governing of two-phase flow,a distributed parameter model of adiabatic capillary tube was developed in this paper.

根据均相流等多项假设,运用两相流动基本方程建立了绝热毛细管分布参数的稳态数学模型。

The residue obtained by pyrolyzing different time was analyzed by elementary analyzer and particle analyzer; Liquid produced by extracting the residue for 24h with Soxhlet extractor through toluene and carbon bisulfide were also resolved by gas chromatography and mass spectrometry, ultraviolet-visible spectrophotometer and Fourier transform infrared spectrometer.

实验首先对煤进行热解,然后对作用不同时间的煤热解残渣进行元素分析和粒度分布分析,并用有机溶剂甲苯和二硫化碳对热解残渣采用索氏提取器抽提24 h,将所得提取液采用紫外-可见光谱仪、红外光谱仪和气质联用仪等手段进行表征。

The impact of carding machine on the quality of spunlace nonwoven product comes from two major aspects: one is the mechanical reason, such as the gap between rollers ,the specification of wires, the design of each part, the number , kind and distributing of rollers etc.

梳理机对水刺非织造布产品质量的影响主要从两大方面产生,一方面是机构特性,例如隔距、针布规格、各个部件的设计、辊子的数量、种类和分布等。

Objective: To study Cassia nomame Kitag chromosome number,karyotype,volume.

目的:对辽宁分布的植物山扁豆的染色体数目、核型、体积等进行了研究。

Chapter two regard shanghai as representatives of the primary market, put forward my view: in the primary market, the control over marketing channel is actually to manage the catenation terminal of home elecrtonics.

第二章开篇就以上海作为一级市场的代表,分析了上海国美,苏宁,永乐等各大家电连锁分布情况,并紧密结合本人在家电企业的实际工作经验,提出自己观点:在一级市场当中,对销售渠道的管理其实就是对大家电连锁终端卖场的管理。

The material source of the Shanxi Formation is analyzed using the sand types, cutting types in combination with the distribution characteristics of heavy minerals, cathodoluminescence and the comparison analysis of rare earth elements.

应用砂岩类型、岩屑类型、重矿物组合的分布特征、阴极发光及稀土元素对比分析等方法,分析了神木地区山西组的物源问题。

The causes of shield tunnel defections could be divided into six branches: the segment dislocations, lining material deterioration and seepage. etc. Fault trees are also founded to illustrate each branch. 23 quantitative elements from the fault trees are selected to serve as the diagnosis indexes, all of which could be applied in engineering practice. By using the AHP method, a 3-level diagnosis index system is established. Afterwards, the procedure of setting up the quantitative judging criteria is given, as well as the relative index weight of index layer, by using the improved Analytic Hierarchy Process-multiplication scale method. At last, the values of corresponding parameters of membership functions are set, with the Cauchy distribution model.

将盾构隧道常见病害成因分为管片错位、衬砌材质劣化以及渗漏水等6个子系,对每个子系构建了病害故障树;从工程应用角度出发,从故障树中选取了23个可定量化因素作为评价指标,通过层次分析法建立了三层病害评价指标体系;对体系中单一评价指标的定量化分级方法进行简述,并给出所有指标的建议分级标准,采用改进的层次分析法-乘积标度法确定了各评判指标之间的相对权重;确定了基于Cauchy分布模型的隶属函数的关键参数。

The results also indicate that the population identification for cephalopod may be combined with its basic biology, especially in taxology, history and migration.

分析认为,头足类种群鉴定还应结合其基础生物学,特别是分类学、生活史和洄游分布等方面的内容。

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Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说,如果是/否的问题回答f可看的价值观念在许多最有限坐标,然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明:基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小,它既能去除奇异点,又能保持图像中目标的边缘不变性,具有很好的滤波效果。

It explains in detail how the methods of elicitation, discussion, and induction are to be used in the physics teaching.

本文根据心理学原理论述了改革初中物理教学的必要性,并对"启发、讨论、归纳法"在物理教学中的应用作了详细的阐述。