经济学

• 扩大

  A recent social research says that the earning gap between female and male is widening.

  社会调查表明：男女两性收入差距呈扩大趋势。

交通运输工程

• 拓宽

  Finally, it advances the structural design of the road widening program.

  最后提出拓宽路面结构设计方案。

• 扩建工程

  According to the determined settlement control criterion, the appropriate methods of soft ground improvement for expressway widening are investigated, and the composite foundation method is found that is an optimal one by comparison.

  根据高速公路扩建工程的沉降控制标准,研究了适合于高速公路扩建工程的软基处理方法。

• 扩宽

• 平行加宽

计算机科学技术

• 加宽