似乎“数据”这个说法比“data"更容易让人误解。跟许多其他中文别扭的学术名词一样---这也是我强烈推荐看英文原版research methods教材的重要原因之一,概念本身呈现出的复杂性会严重影响我们对知识的理解,我阅读英文教材几年后时而看到某个对应的中文,会忽然恍然...
In this paper, crowdsourcing-based data acquisition methods that have been used in seven domains of geophysics, including weather, precipitation, air pollution, geography, ecology, surface water, and natural hazard management, are discussed based on a review of 162 papers. In addition, a novel ...
地域实例上的 OGC 方法 Extended Methods on Geography Instances OGC 静态方法 Extended 静态方法 静态聚合地理方法 静态聚合地理方法 CollectionAggregate ConvexHullAggregate EnvelopeAggregate UnionAggregate 空间几何和实例(几何数据类型) 数据类型 XML DBCC 函数 语言元素 查询 语句 xQuery 下载PDF Learn...
创建基于指定已知文本值和坐标系统标识符 (SRID) 的新 DbGeography 集合值。 C# 复制 public static System.Data.Entity.Spatial.DbGeography GeographyCollectionFromText (string geographyCollectionWellKnownText, int coordinateSystemId); 参数 geographyCollectionWellKnownText String 包含知名地理值的文本表示形...
Methods C# Save Add to Collections Add to Plan Share via Facebookx.comLinkedInEmail Print Reference Feedback Definition Namespace: System.Data.Entity.SqlServer Assembly: EntityFramework.SqlServer.dll Creates a newDbGeographycollection value based on the specified well-k...
private async void LoadGeoSearchApiResults(object p) { try { // Load the results and populate the collection this.SearchResults.Clear(); this.IsWorking = true; this.QueryComplete = false; HttpClient client = new HttpClient(); client.BaseAddress = new Uri(this.BaseAddressUrl); // Default: ...
When creating an Azure Communication Services resource, you specify a geography (not an Azure data center). All chat messages, and resource data stored by Communication Services at rest are retained in that geography, in a data center selected internally by Communication Services. Data may transit...
The key survey sites were surveyed by multiple methods such as survey of geological survey routes, survey of sections, large-scale mapping, and engineering control. The minor general survey sites were researched by making full use of previous data of 1∶50 000 and 1∶250 000-scale regional ...
Methods Stage 1: data acquisition The data collection involved building a large database of patent filings along with their corresponding applicant and inventor addresses from the major patent offices. We focus on 46 inventor and applicant countries that represent all OECD, EU28 and BRICS countries ...
public static final ColumnDataType GEOGRAPHY ColumnDataType 的静态值 geography。GEOMETRY public static final ColumnDataType GEOMETRY ColumnDataType 的静态值几何图形。HIERARCHYID public static final ColumnDataType HIERARCHYID ColumnDataType 的静态值 hierarchyid。IMAGE...