分析集

Pb chronological technique was employed in the analysis of the silta-tion phenomenon in Tongan Bay.

采用铅-210地质年代学方法分析了厦门同安湾自高集海堤及其它临海工程兴建以来的淤积现象。

For the temporal schemes with a totally ordered set of temporal types, by analyzing good properties of sets of TFDs, a polynomial algorithm that may obtain lossless decompositions satisfying the temporal third form （T3NF） is given.

对于这种具有全序时态类型集的时态模式，通过分析TFD臬所具有的良好特性，给出了一个得到满足时态第三范式（T3NF）的无损分解的多项式时间的算法。

Experiments show its performance on one toy problem and some benchmark datasets. 4. Propose MGEPSVM and SemiMGEPSVM based on attribute reduction, also realize theirs application in intrusion detection.

提出了基于属性约简的MGEPSVM和 SemiMGEPSVM 入侵检测算法，并在KDDCUP99 数据集上进行了实验比较和分析。

The following results are made from this research: Assessing data quality and band combination of different bands in line with geo-target features in desertification areas, and determining basic bands for desertification monitoring. And understanding and studying the spectral features and variation rules of geo-targets in the experimental area, raising that it is the basis of geo-targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo-targets, realizing that in a great extent spectral-integrated-form-based classification method can remove the phenomenon of "different spectrum with same objects" resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo-target with similar spectral forms and much different values of whole reflectionratio. It is suggested that "red edge" range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel-based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. The remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed.

研究结果如下：首先针对荒漠化地区的地物特征，对高光谱数据不同波段的数据质量、波段组合进行了评价，提出了适用于荒漠化监测的基本波段选择集；初步了解和掌握了研究地区的地物光谱特性及变异规律，进一步明确了掌握地物光谱特征和变异规律是用成像光谱仪数据提取地物信息的基础；发现了基于光谱整体形状的分类方法在很大程度上能够消除由于传感器、地物目标观测方向之间的角度变化引起的反射率曲线整体平移的"同物异谱"现象，对于谱形相似而整体反射率的值相差较大的两类地物，通过引入均值和方差图像参与分类得到解决；研究还表明在植被"红边"范围内的波段是进行荒漠化监测的主要特征波段，这些波段与植被生物量和盖度都有密切的关系，是开展精细植被分类研究和植被定量反演的重要基础；像元的导数光谱分析可以消除土壤背景的影响，是进行植被生物量和盖度定量反演的有力工具；建立了荒漠化监测主要评价因子的定量反演模型，并分析了模型的适用性。

Cognitive science to database query answering, and study the novel problem of answering top-k typicality queries.

查询代表性的实例是一个理解和分析大型数据集的有效办法。

Objective To investigate the existence of the erythropoiesis inhibitors and the different effects of high-flux dialyzer and low-flux dialyzer on the clearance of EI.And to observe the effects of uremic patients sera and the ultrafiltrate from F80 and F6 dialyzer on CFU-E and BFU-E colony groewth of normal mice bone marrow.

目的 本文采用甲基纤维素细胞培养的方法，分析尿毒症患者血清及超滤液对小鼠骨髓红系造血祖细胞集落形成的影响，初步探讨红细胞生成抑制因子的存在、其相对分子质量大小及高通量透析器与普通低通量透析器对其清除的不同影响。

Fisher criterion assumes that each sample has a unimodal,symmetric distribution for each class.However,when the training sample size is large and their distributions are multimodal or skewed,the definition of classical Fisher criterion can not correctly reflect the distribution of the data in the sample space,in that case,the sets of discriminant vectors are not optimal virtually.

Fisher准则函数的前提条件就是假设每类样本数据满足单峰高斯分布，即各类样本在模式空间的分布近似椭球状，但是当训练样本数据较多且呈多峰分布时，传统的Fisher准则函数并不能准确反映样本数据的分布，显然基于Fisher准则函数的线性判别分析得到的最优判别矢量集也不是最优的。

The paper analyzes the problems existed in the synchronous motor exciter used for main ventilator,puts forward the use of centralized control unit to assembly and transformation of the system.

分析了主通风机使用的同步电动机励磁装置存在的问题，提出了由集控单元使用于组装和改造该系统，经实际应用表明，取得了显著的经济效益和社会效益。

A kind of Vector Quantization measure which is based on the training set distortion has also been analyzed in this thesis.

另外，还分析了一类基于训练集失真的矢量量化码书性能的度量方法。

Finally the approximation algorithm for the minimum weak vertex cover set is analyzed based on the maximal flow partition.

进一步分析了求解基于最大流划分的最小弱顶点覆盖集的近似算法。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！