soft region的用法和樣例：
例句
- In soft soil regions, settlement after work completion is the main problem to be solved urgently.
摘要在軟土地區修建高等級公路，工后沉降是亟需解決的問(wèn)題之一。 - The ground settlement caused by large-scale urban construction has become a new restriction factor of ground settlement in soft soil area of Shanghai.
摘要大規模城市建設誘發(fā)的工程性地面沉降已成為上海軟土地區地面沉降新的制約因素。
