查询词典 clusters

The algorithm first used KNNModel to build multiple clusters on a given dataset and chose few clusters for each class as representatives to construct a hieratical coding matrix in training phase, and then the matrix was used to train each single classifier.

该算法在训练阶段先通过KNN模型算法在数据集上构建多个同类簇，选取各类中最具代表性的簇形成层次编码矩阵，然后再根据编码矩阵进行单分类器训练。

To analyze and compare the characters of Fuzzy c-Means clustering and artificial immune network aiNet clustering, conclude that Fuzzy c-Means clustering does not work well if the underlying classes or clusters deviate strongly from hyperspherical structures, aiNet is capable of reducing redundancy, describing data structure, including the shape of clusters by experiments on relatively gathering data set, scattering data set, annular data set and corkscrew data set.

分析比较了模糊C 均值聚类算法FCM 和人工免疫网络aiNet 聚类算法的特性，通过它们对相对集中数据、稀疏分散数据、环状和螺旋分布数据聚类来进行比较，得到当遇到潜在的类或簇背离超球面结构时，FCM 算法表现不佳，而aiNet 可以很好的发现数据的内在特征，减少数据中的冗余、描述数据结构和聚类形状，表现良好的适应性。

This algorithm could find optimal initial starting points applying iterative max-min distance means and then combined the small clusters from given data set into final ones,for an elongated or large cluster could be considered as the union of a few small distinct hyperspherical clusters.

运用两阶段最大最小距离法搜索出最佳初始聚类中心，将原始数据集分割成小类后用合并算法形成最终类，即用多个聚类中心联合代表一个延伸状或者较大形状的簇。

The shell structure of electrons reveals that the magic number doesn't exist obviously in the Al n clusters as in the alkali metals. The energy levels are apparently incontinuous in the Al 2～7 clusters.

在Al2～Al7团簇中，能级结构呈现明显的分立特征，费米能级随着原子个数的增加而减小，到Al7时又有所增加，且团簇的能量间隙最小。

By using the kernel function, the input space is mapped to a high dimension feature space where the data are expected to be more separable, the initial centroids in the feature space are selected by applying the KRA algorithm, and the large and small clusters are partitioned and the outliers can be split from the large clusters iteratively after the kk-means clustering. As a result, the audit data can be clustered better. Secondly, the closed sequential patterns mining algorithm CloSpan is improved according to the restrictions that is composed of the axis properties and reference properties.

该方法通过核函数把数据样本空间映射到一个高维的特征空间，使数据在新的空间中具有更好的可分离性；在特征空间采用KRA算法选取初始聚类中心，然后在核k-means聚类的基础上，划分出大簇小簇并在大簇中分离出异类再次进行核聚类，从而不断地优化聚类结果。

The flow field construct of meso-β cloud clusters which bring the heavy-hard rainfall in northeast plateau is that the low level cloud cluster is located in the south of converging region, the southern low level influx converged in the cloud cluster and have some affection on the setting up of the rainstorm in the low level. In the middle level, the cloud cluster is lied in near the westerly trough and the southwest airflow ahead of the trough constantly transmits water vapor to the cloud cluster. In the high level, there are a pair of high and low pressure centers around cloud clusters and are obvious divergence airflow, and there is weak ageostrophic high level outflux along pressure force.

产生高原东北部地区大到暴雨天气过程的中—β尺度云团的流场结构特征是：在低层，云团位于辐合区的南部，低层的偏南低空入流在云团内辐合，对大到暴雨的形成有一定的作用；在中层，云团位于西风带低槽附近，槽前的西南气流不断地给云团输送水汽；在高层，云团附近有一对高、低压中心，为明显的辐散气流，沿气压梯度力方向有强度不强的非地转高空出流。

And(2) the effects of firm strength to the output level of companies within the industrial clusters.in this part of research,we use the same model built above,the only different is the change of parameter,samely, in this part of research, we study on changes of the output level of enterprises within the competition-ledding and cooperation-ledding industrial clusters when the gap between enterprise strength is different.

企业实力差距对产业集群内企业产出水平的影响研究这部分的研究中所构建的模型与上面的模型是同一个模型，只是参数的变化不同而以，同样在这部分的研究中，也是分别研究了在竞争主导型产业集群和合作主导型产业集群下集群内部企业的实力差距对企业产出水平的影响。

The instrument may be used in measuring sheat wave resonant absorption spectrum of liquid film in 1x10 to the power -5 -500 Hz frequency range and in providing measurement data for the research of the interaction range between clusters, long chains and multibands of liquid film, the group behavior of molecules and clusters, the long chain in polymer solution, the second, the third and the fourth group behavior in left liquid and other group behavior in chemical solution and complex.

本发明的谱仪可在10 －5 ―500Hz频率范围内，测量液体膜的切变波共振吸收谱，为研究溶液中的团簇间、长链间和多键间的交互作用范围，分子和团簇的集团行为，高分子溶液中的长链，生命液体中的二、三、四级或其他化学溶液和络合物中的基团的行为提供可靠的测量。

For larger size clusters, a modified nanoplasma model was used to simulate the interaction processes of Ar, Kr and Xe clusters with ultrashort superintense laser pulses.

对于较大尺寸的团簇，采用改进的&微等离子体球&模型对相互作用过程进行了分析。

We led the density function into the data structure as the weight, and use dense micro-cluster to describe the arbitrary-shaped clusters in data streams. In addition, we propose candidate core-micro-cluster and isolated micro-cluster synopses to maintain and distinguish the potential micro clusters and isolation point in data streams.

我们把密度函数以权值的形式引入数据结构中，并利用核心微簇描述数据流中任意形状的簇，并提出候选核心微簇和孤立微簇结构分别用于维护并区分数据流中潜在的核心簇和孤立点。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。