While NLTK comes with a number of corpora that have been pre-processed ( often manually) to various degrees, conceptually each layer relies on the processing in the adjacent lower layer. 尽管NLTK附带了很多已经预处理(通常是手工地)到不同程度的全集,但是概念上每一层都是依赖于相邻的更低层次的处理。
As sedimentation continues the deposits adjacent to the aperture will build up, layer by layer, to the water level. 当沉积作用连续进行时,邻近口子的沉积将一层一层地向上筑造到水面。
Three dimensional surfaces reconstruction based on shape of adjacent layer contours 基于相邻层轮廓线几何形状匹配的三维重建
This study deals with the algorithms for achieving reliable, efficient communication between two adjacent machines at the data link layer. 我们将主要研究的是在数据链路层上,两台相连的机器之间进行可靠、有效通信而涉及到的一些算法。
With histological-appositional growth of bone, vessels at the top of Ranvier's groove are enclosed and changed into blood vessels adjacent to the layer of germinal cells in the epiphyseal as the growth processes go on. 骺软骨内生发层细胞附近的血管源于Ranvier氏沟顶部的血管,是随骺软骨外加生长被包埋进骺软骨内。
For Z_type films, the dependence of molecular aggregation state on the structure parameters, i.e. separation distance a, separation between two adjacent layers d, molecular orientation θ, and layer number g, were studied by applying our model. 讨论了X型或Z型膜中分子间距、层间距、分子取向、膜层数等结构参数对分子聚集行为的影响。
Obvious characters of lithology and lithofacies, wide extension and large difference from the adjacent formation in the same layer. 董家店组是笔者命名的岩组,其命名的主要依据是岩性、岩相特征明显,岩组全为鲕粒白云岩,在该区延展较广,与邻区同层岩组有较大差别。
Temperature field of adjacent rock of a tunnel in cold area and influence of the water proofing layer 寒区隧道围岩温度场与防水层影响分析
A clearly visible layer structure is observed in Ti/ TiN multilayer films. There are Ti_2N transition layers between the adjacent pair of Ti and TiN layers. There is a transition layer of FeTi between the film and the substrate. 证明了Ti/TiN多层膜有明显的分层结构,在每对相邻的Ti层和TiN层之间,均存在Ti2N界面过渡层,在膜基界面处存在FeTi过渡层。
Results show that the gradient distributions of structural and electrical properties are mainly caused by the diffusion and aggregation of Zn ions in the PZT layer. It is also the main cause of reducing the resistivity in partial gradient PZT region adjacent to ZnO layer. 结果表明,显微结构及电性能的梯度分布,主要是由Zn2+的扩散及其在PZT晶界富集造成的,它也是使PZT层中与界面相邻的部分区域电阻率下降的原因。
Mathematical Model of the Soft Adjacent Layer Biased Magnetoresistive Head in Its Structure Design 近邻软磁层偏置磁阻磁头结构参数设计的数学模型
Finally, according to the deformation influence chart, the effecting range of the adjacent foundation and loads in the horizontal direction that should be considered is suggested, and this is equal to 1.1 times the thickness of the compressed subsoil layer. 此外,还根据变形感应图提出在沉降计算中考虑相邻基础或荷载时在水平方向需考虑的影响范围,其值为1.1倍地基压缩层的厚度。
A linear correlation exists between the current speed of adjacent layers, and the correlation is dependent on the height of the layer above the seabed, roughness length and shear velocity. 相邻层位的流速在时间序列上存在很高的线性关系,回归直线的斜率与水层距底床的高度、粗糙长度和摩阻流速有关。
SPRING LAYER PHENOMENA OF TEMPERATURE, SALINITY AND DENSITY IN THE AREAS ADJACENT TO THE CHANGJIANG RIVER ESTUARY AND CHEJUDO ISLAND The vertical distribution of chl-a was closely related to the spring layer and had 3 types. 长江口及济州岛邻近海域温、盐、密度的跃层现象调查区内叶绿素a变化范围是0.2~18.7mg/m~3。在垂直分布上,叶绿素a同跃层密切相关,呈现出三种分布类型。
The main idea of the method is to adaptively insert the transition frames according to the relative motion between two adjacent frames. Then, the video sequence is divided into two descriptions with independent prediction loops and respective base layer and enhanced layer descriptions. 可根据相邻帧的相对运动自适应地插入过渡帧,并将视频序列分成两个描述子独立分层编码,生成各自的基本层和增强层。
For the model of the electromagnetic interference from a signal line and a shielding line placed nearby the signal line to adjacent layer, a modified algorithm of computing radiation for a shielding line on multilayer PCB geometry is proposed. 针对置有单屏蔽带多层PCB强信号线对邻层电磁干扰的模型,提出了一种修正的单屏蔽带多层微带PCB结构的电磁辐射计算方法。
Through deep analysis of existing application-layer multicast tree structure and comprehensive consideration of network address adjacent and services capacity of node, a scheme of building and maintenance of application layer multicast tree is designed and implemented successfully. 在深入分析现有应用层多播树结构及建立方案的基础上,综合考虑网络地址邻近原则和节点服务能力等问题,设计并实现适合于本系统的应用层多播树建立及维护方案。
Each layer is an abstraction function module, provides a group of specific functions and services. Each layer only and adjacent layer interaction behavior, not more of the other layer service access. 每一层提供一组特定的功能和服务,都是一个抽象的功能模块,各层一般只和相邻层发生交互行为,不会越层访问。
Based on the multilayer PCB, the radiated interference field from a signal line to adjacent layer together with Faraday fence is calculated, and the relationship between the electromagnetic interference field and multiple parameters is researched. 基于多层PCB模型,研究了强信号线对仅存在桩栅栏的邻层的电磁辐射干扰场,分析了多种结构参数对电磁辐射干扰场的影响规律。