[问答题] 教育观察研究的特点是什么？

就股票的本质属性来看，它与商品证券和货币证券是相同的。 A Windows Communication Foundation (WCF) solution provides a session-based counter.The service is self-hosted. The hosting code is as follows: ServiceHost host = new ServiceHost(typeof(CounterService)); NetTcpBinding binding1 = new NetTcpBinding(SecurityMode.None); host.AddServiceEndpoint("MyApplication.ICounterService", binding1, "net.tcp://localhost:23456"); host.Open(); This service is currently exposed over TCP, but needs to be exposed to external clients over HTTP. Therefore, a new service endpoint is created with the following code:host.AddServiceEndpoint("MyApplication.ICounterService", binding2, "http://localhost:12345");You need to complete the implementation and ensure that the session-based counter will perform over HTTP as it does over TCP.What should you do?（） ["","","",""] 矿石的结构和构造各表示矿石的哪些特征？ 什么是链式存储结构？ 犯罪学研究表明，失业与犯罪之间呈现（） ["正相关","负相关","无关系","有时正相关，有时负相关"] 教育观察研究的特点是什么？