水晶头5类和6类区别
iPhone Address Book custom property
I am developing an application which is similar to native contact book app of iphone. I want开发者_JAVA技巧 to add additional property/field in native iphone address book database. e.g. network carrie[详细]
2022-12-17 17:15 分类:问答-
水晶头5类和6类区别 水晶头5类和6类区别有什么
1、水晶头5类和6类结构不一样,超五类普遍用一件单排,六类普遍用两件式双排或者三件式双排,这样才能达到六类的测试标准,六类水晶头里面的8根触点是上下错开分成两排的,而五类水晶头里面的8根触点则是一字排[详细]
2022-12-05 01:59 分类:问答