1. 下陷：目前比较广泛是应用在地层下陷(subsidence)的问题里面. 沿海地区养殖所需,会抽取地下水,当饱和土体中的水被抽出来之后,受到有效应力(effective stress)的影响,土体会被压缩. OK!我知道这太专业了,咱们换句话说. 当气球中的水放掉之后,
2. 下沉：subroutine 子程序 | subsidence 下沉 | subsonic reaction 亚音速反应
3. 地陷：subsection 小分段;分区 | subsidence 地陷 | subsidized housing 资助房屋
4. 沉下：subroutine 子程序 | subsidence 沉下 | subsonic 亚声速的
1. 下沉;沉降;下陷
When there is subsidence in a place, the ground there sinks to a lower level.
e.g. A surveyor said that the problems were caused by subsidence and the house needed to be underpinned.
一名勘测员说是地面下陷导致了这些问题出现，房子需要加固地基。
1. Urgent reinforcement work in six parts suffering from serious subsidence have been carried out, and work on the final part at risk of collapse will commence shortly.
2. Water extraction projects and ongoing major construction are also contributing as they cause surface subsidence, which effectively means the city is sinking.
3. Because of the danger of another subsidence, rescue workers have evacuated about 650 people away from their homes in the area.
4. subsidence
4. According to data from the State Key Laboratory of Marine Geology at Tongji University, more than 90 medium and large cities on the mainland suffer from land subsidence.
5. The city's Metro authority is planning to install sensors and cameras inside subway tunnels to detect distortion and leakage caused by subsidence.
6. It has been estimated that every millimeter of subsidence costs Shanghai as much as $ 20 million for restoration and maintenance.
7. It has been estimated that every millimeter of subsidence costs Shanghai as much as $ 20 million.
8. Scientists and engineers began to tackle the city's subsidence some 40 years ago, when the city introduced controls on the extraction of water from wells.
9. " We have established a network of experts to monitor subsidence and ground water levels, " Wang said.
10. Local city and provincial governments suffering from the most severe subsidence have also started imposing strict measures on the use of groundwater in recent years.
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noun