This paper introduces the tendency of development of constant steel structured bridge of prestressing concrete as well as the problems of it.

介绍了国内及国外预应力砧连续刚构桥的发展趋势以及存在的问题。

youdao

What if we could have one clean, well-structured menu which would combine the dynamism and code-ease of dropdown menus and do away with their main problems (not to mention degrade beautifully)?

如果我们能有一个清爽的、能把功能和代码简单联系起来，并且抛弃他们的主要问题(不要提降低美观的要求)的良结构的菜单，那会怎么样？

youdao

What if we could have one clean, well-structured menu which would combine the dynamism and code-ease of dropdown menus and do away with their main problems (not to mention degrade beautifully)?

如果我们能有一个清爽的、能把功能和代码简单联系起来，并且抛弃他们的主要问题(不要提降低美观的要求)的良结构的菜单，那会怎么样？

youdao