空间聚集

北京市海淀区HFRS病人的分布为非随机分布，具有时间和空间聚集性分布的特征。

HFRS patients in Haidian district of Beijing were not distributed randomly , and the temporal and spatial clusters were obvious .

因此我们需要更加合理的空间聚集度模型来探究亚高寒草甸的物种多样性机制。

Therefore , we need a more reasonable spatial aggregation model to explore the sub-alpine meadow species diversity mechanism .

特别是在空间聚集性上，本文通过最近邻分析法和RipleyK函数法进行了验证。

Especially in the clustering of space , this article further verified the characteristic of clustering by the nearest analysis and Ripley K function method .

中心城市特别是CBD已经形成总部经济的空间聚集形态。在集聚效应规律的作用下促使CBD出现规模扩大化、办公空间扩散化、职能高级化等趋势。

Influenced by the crowding effect , CBD tends to expand in size , spread in office space , and be high - grade in function .

结果表明，RDBP在LIF的支持下可以获得较好的联接操作特性：消除了联接操作中的存储空间聚集性和降低联接操作的时间复杂性。有效地平滑了联接操作的性能瓶颈。

The results show that the LIF can eliminate memory-space-cluster and reduce time-complexity in the join operation and can smooth the bottleneck of the join operation in the relational database system , so that the RDBP can achieve better performance in the join operation .

城市周边绿地CA值、AREA-SD值、CAI-MN值都为最大，并且平均斑块形状最接近于矩形、周边最简单、破碎度最小、斑块空间聚集度最大。

The CA , AREA-SD and CAI-MN value of the city peripheral green space are all biggest , the average patch shape most approaches the rectangle , peripheral is most simple , the degree of fragmentation is smallest , the connection of the patches is biggest .

贸易成本的变化是影响制造业空间聚集的重要因素；

Cost of trade is important to special conglomeration of manufacturing .

基于复杂系统的物流企业空间聚集研究

Research on Spatial Congeries of Logistics Enterprises Based on Complex System

人们仍保持着在共享空间聚集的需求。

People still want to come together as a community in shared spaces .

疾病的空间聚集性分析

Analysis of Spatial Cluster in g of Disease

城市是人类社会生产力发展到一定阶段的产物，是生产要素和产业在空间聚集的必然结果。

Formation of city is the inevitable result of industry and production factor conglomeration .

江苏启东五种主要恶性肿瘤时-空间聚集性理论分析

An epidemiological study on the distribution of five main cancers in qidong , jiangsu

我国高技术产业空间聚集及其影响因素分析

A Study on the Status and Influencing Factors of High-Technology Industrial Spatial Agglomeration in China

分析了我国石油石化产业的空间聚集现状。表明：石油开采与加工业有一定的相关性，但并非起决定作用；

This paper analyzed the dimensional accumulation status of petroleum and petrochemical industries in China .

我国信贷供给的空间聚集与区域效应研究

A Research into the Spatial Concentration and Regional Effect of Credit Supply in Our Country

近10年来河南省入境和国内游客的空间聚集性分析

A study of spatial centralization of domestic and inbound tourists in Henan Province in the nearly past decade

此外，还发现了保守残基的空间聚集是一个普遍现象。

Additionally , it is detected that the spatial clustering of the conservation residues is a general phenomenon .

研究目的：（1）探讨江苏省地方性氟中毒在分布上有无空间聚集性以及其聚集情况；

Objectives : ( 1 ) To investigate the spatial autocorrelation of the data of endemic fluorosis in Jiangsu Province .

根据对4种景观区391个疫点的研究结果，发现了黄鼠鼠疫动物病的空间聚集性。

We discovered the spacious aggregation on plague zoonosis of citellus dauricus through the research of391 foci of4 typal lands-capes .

产业发展能力指一个城市单体及总体产业产生、成长和演进的能力，主要体现在城市产业结构竞争能力、产业空间聚集能力和产业组织成长能力三个方面。

This ability mainly expresses three aspects : industry structure competition ability , industry centralizing ability and industry organization development ability .

重度受害林分内幼虫表现较强的空间聚集性，而轻度受害林分则表现为随机分布。

Intense spatial aggregation of larvae was observed in the heavily-infested woodland , while random distribution was observed in the lightly-infested one .

较大面积的草地和林地被分割、破碎化，小块盐碱化草地空间聚集与扩张。

The arable land and salinized land patches congregated and expanded , while the landscape of grassland and forestland were becoming more fragmented .

通过研究发现溢出的公共服务能提高要素收益率，促进要素的流动和市场的空间聚集。

Through the study we found that public services can increase the rate of factor income , factor mobility and market promotion of the space together .

同时，引用吸引子的概念描述了物流企业的空间聚集演化动力学系统建模方法；

At the same time , this paper cites the concept of attractor and describes the spatial congeries evolution of logistics enterprises by modeling dynamic system .

对城市化的一个本质特征&城市经济具有空间聚集状态和趋势，学术界和决策部门认识不足。这一特征与经济系统运动有没有内在联系？

One of essential characteristics to the urbanization is urban economic spatial concentration or convergence , which academic circles and government departments can 't know enough .

贸易成本的变化影响产业空间聚集，促进国内产业向中西部地区聚集。

The changes in trade costs influence on the spatial aggregation of the industries and promote the domestic industries to gather in the central and west regions .

在无自由电荷存在的外加非均匀场和偶极子相互作用的局部非均匀场作用下，粒子首先在空间聚集成链，然后沉积在基材表面。

Due to combined effects of the external non-uniform field without free charge and the local non-uniform field of dipoles , dielectric particles would aggregate into chains .

这些结果表明在一定的抽样面积上，现有的物种多度分布和空间聚集度模型不能够解释亚高寒草甸的群落物种多样性。

These results suggest that in the sampling area and species abundance distribution and spatial aggregation degree model is not able to determine the species diversity of the sub-alpine meadow .

运用逐步插值法把雨量站观测资料离散为栅格降雨数据，然后对栅格降雨数据分别进行时间聚集和空间聚集，结合静态参数方法和动态参数方法，研究降雨的时空尺度对径流模拟的影响。

Then the impact of the spatio-temporal scale of precipitation on hydrological simulation is investigated by the grid-based hydrological model using the static parameter method and the dynamic parameter method .

聚集成本的存在，导致了城市聚集的不经济，聚集经济形成了向城市空间聚集的吸引力，而聚集不经济则产生排斥力。

Gathered cost exists , leading to diseconomies of gather . The economy gathered together formed the attractiveness of the urban space , while diseconomies of gather produce repulsive force .