单词significant-symbol
网络: 重要符号；象征符；有意义的象征符号
In the construction development"s process, the construction conserves energy into a building technology progressive significant symbol.
在建筑发展的过程中，建筑节能成为建筑技术进步的一个重大标志。
In all ages, the development of navigation is always a significant symbol for countries"prosperity.
从古至今，航海业的发展一直是一个国家兴旺发达的重要标志。
Significant symbol of first-class distance education
高质量：优质远程教育的重要标志