The United States Chamber of Commerce ( USCC) proposed a plan at an event earlier today to create a secure Internet identification system. 美国商会(USCC)提出一项计划,在一个事件今天早些时候创造一个安全的互联网识别系统。
Ultrahigh strength cement-based composites ( USCC) material is a new material, which was developed in 1980s. 超高强水泥基复合材料是80年代发展起来的一种新材料。