查询词典 spatial change

Mango anthracnose varied in its possession and use of spatial resource at different spatial niches.

在各生境位点上，芒果炭疽病对资源的占有和利用能力是不同的，边线的生境相对不利于芒果炭疽病的生存，花期时果园各方位生境

Fungicide interference reduced the temporal and spatial niche breadth of mango anthracnose and it had more significant effect on spatial niche breadth.

药剂干扰压缩了芒果炭疽病的时间和空间生态位宽度，对空间生态位宽度的影响更为显著。

Proceeding from the correlation of local spatial zone,some theories and methods,such as location quotient,imbalance coefficient,spatial autocorrelation is applied to analyse the spatio-temporal character of the development of road passenger transportation.

从区域内部空间单元的相互关系出发，应用区位商、非平衡性系数、空间自相关等理论和方法分析道路客运发展的时空特征，建立一套区域道路客运发展时空结构分析体系，主要包括非平衡性体系、相关性分析体系、分析方法及衡量指标。

Objective To explore application of spatial autocorrelation and local indicators of spatial autocorrelation in disease.

目的 探讨空间自相关系数及区域型空间自相关系数对疾病的空间数据聚集性的应用。

The first-line task of GIS is expressing spatial data. Base on vector data model, a whole logical expressive structure of map is designed ,and spatial query and analysis can be builded on it.

地理信息系统的首要问题就是对数据的表示，基于矢量数据模型，本文设计和实现了完整的地图逻辑表达结构，为进行空间查询和分析建立了统一的基础。

Some basic concepts of qualitative spatial representation are defined. Previous qualitative spatial relation representation methods are summarized and then various methods are linked together to be researched in the same framework.

定义了定性空间关系表达的一些基础概念，总结了前人研究的定性空间关系表达方法，然后将各种不同的方法联系起来，置于同一框架下研究。

This method was based on rotation formula of the current magnetic field and the magnetic fields can be expressed by a double integration about spatial radial coordinate and spatial wave number of Bessel function.

由电流磁场的旋度公式出发，推导了多层介质中点电流源磁场的表达式，其为一个关于空间径向坐标和贝塞尔函数空间波数的二重积分。

This was followed by a spatial comparison to assess their accuracies in estimating the spatial distribution of cropland across China.

结果表明，4类全球数据对中国耕地数量特征和空间位置特征的估测具有明显的区域差异性。

Spatial distribution regularities were analyzed using biostatistics and geostatistical methods for the carpenter moth pupae in order to effectively control the insect and to further study the spatial distribution of the population.

为了解种群的空间结构，从而有效控制其危害，应用生物学统计方法和地质统计学方法对沙棘木蠹蛾蛹的空间分布特性进行了分析研究。

In this paper, we present a structure of Two-level servers based on C/S mode on managing the traffic data and a method of spatial-time on data processing that gets the characteristic parameter from the time series and initial data that are collected by spatial distributing sensors.

本文提出了基于主从模式的两级服务器结构的数据管理系统，并采用了一种空时处理交通数据的方法，通过对远程探测器获得的数据及时间序列提取特征参数的方法实现数据处理。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网