1) time varying mutation
时变变异
2) temporal-spatial variability
时空变异
1.
Through application of Geostatistics combined with GIS,the temporal-spatial variability of the pH,organic matter,total nitrogen,total phosphorus and total potassium in soil in Xiaojiang watershed from 1982 to 2005 were analyzed.
运用地统计学,结合GIS研究了云南小江典型岩溶流域1982到2005年表层(0～20cm)土壤肥力包括pH、有机质、全氮、全磷、全钾5个指标的时空变异规律及影响因素。
2.
The temporal-spatial variability of global avian influenza disaster is assessed from geographical and disaster perspectives in a GIS environment.
利用多种资源建立了全球高致病性禽流感灾害数据库,基于ArcGIS的空间分析和统计模块,对全球高致病性禽流感灾害的时空变异进行分析。
3.
The temporal-spatial variability of soil pH in the Chengdu basin is expressed by the spatial analytic approaches such as ordinary kriging(OK) on the basis of the software ArcGIS Desktop 9.
0软件系统平台上,利用1982年172个样点和2002年的117个样点分析成都平原土壤pH值的时空变异特征。
3) Spatial-temporal variability
时空变异
1.
Spatial-temporal Variability of Paddy Soil Nutrient in Hainan Province
海南水稻土养分时空变异特征
2.
A geo-statistic method in combination with GIS was applied to characterize and map the spatial-temporal variability of soil pH in the typical area of Taihu Lake Region.
以第二次土壤普查资料和近期采样分析数据为基础,运用地统计学方法研究了太湖流域典型区域土壤酸度的时空变异特征。
4) Spatial-temporal variance
时空变异
1.
Spatial-temporal Variance of Paddy Soil Organic Matterin Hainan Province;
海南水稻土有机质的时空变异
2.
From the results of evaluation of urban land-use intensities of counties in Chongqing,the rules and driving factors for spatial-temporal variance of urban land-use intensity were concluded.
根据评价结果,对重庆市土地集约利用程度进行区域性的时空变异分析,总结出全市各区域土地集约度时空变异规律及其形成原因,提出未来提高城镇土地集约利用度的政策建议。
3.
The purpose of the paper is to analyze the spatial-temporal variance of urban land use intensity in order to guide urban land use.
研究目的研究中国城市土地利用集约度的时空变异规律特征,用来宏观指导城市土地资源的利用。
5) temporal variation
时间变异
1.
Based on the continuous measurement of soil respiration in a maize field in Northeast China during maize growth seasons in 2004 and 2005, the temporal variation of soil respiration was studied, with the effects of heat and water factors, soil properties, root biomass, and leaf area index (LAI) analyzed.
统计分析表明:土壤温度是玉米生态系统土壤呼吸日变化的驱动因素;土壤温度和土壤水分是影响土壤呼吸季节变化的关键因素,二者可以解释玉米生长季土壤呼吸时间变异的87%;LAI和根系生物量与土壤呼吸速率呈正相关,说明生物因子对土壤呼吸季节变化也有影响;土壤有机质、全氮和碳氮比等土壤理化特性与土壤呼吸速率的关系较弱;玉米生长季追施氮肥明显促进土壤呼吸速率。
2.
Spatial and temporal variation of nitrous oxide concentrations in soil profiles of Manural Loessial Soil;
结果表明 :土土壤剖面中 N2 O浓度具有较大的时间变异 ,表现为土壤 N2 O浓度在一年的不同时期变化较大 ,以温度高、水分充足的 7～ 8月份为最高 ,温度较低的冬季最低 ;全年中土壤剖面中各层 N2 O浓度在降水或者灌溉后均有一个峰值。
6) spatio-temporal variability
时空变异
1.
Study of watershed hydrological spatio-temporal variability analysis based on information entropy;
基于信息熵的流域水文要素时空变异分析研究
2.
Spatio-temporal Variability of Soil Water and Water Balance Analysis in Field;
农田土壤水分时空变异特征及水量平衡分析
3.
Study on spatio-temporal variability of soil available nutrients in typical vegetable field of South China:A case study at Guangxingzhou,Junshan,Yueyang
南方典型菜地土壤速效养分时空变异特征研究——以岳阳市君山区广兴洲镇为例
补充资料：时变
1.四时季节的变化。 2.时世的变化。亦指时世变化的规律。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条