[问答题] 什么叫剖视图？剖视图有哪几类？

下列（）协议属于应用层协议。 ["IP，TCP和 UDP","FTP，SMTP和Telnet","ARP，IP和UDP","ICMP，RARP和ARP"] 无形资产在有效使用期内平均摊销。 You are maintaining a Windows Communication Foundation (WCF) service that uses a custom username password class to authenticate clients with. The service certificate is hosted in the deployment server store for trusted root certificate authorities and has a Subject value of TaxServiceKey. Other service certificates hosted on the same server also use TaxServiceKey as a Subject value.You need to ensure that the service identifies itself with a certificate whose subject name and distinguished names are TaxServiceKey.Which code segment should you use?（） ["","","",""] 测定水泥比表面积时，当试样填充位置不能满足要求时，空隙率的调整以2000g砝码将试样压至规定位置为准。 B型外墙保温系统是以（）为保温隔热层。 ["腹丝穿透性钢丝网架聚苯板","胶粉聚苯颗粒保温砂浆作","聚苯乙烯泡沫塑料","挤塑板聚苯乙烯泡沫塑料"] 什么叫剖视图？剖视图有哪几类？