Surface subsidence (grounddepression) caused by the overuse of ground water.
过度抽取地下水引起的地面沉降。
2
Participants were balanced across the three groups for age, sex, educational back-ground, severity and duration of depression, and use of antidepressants.
这三组参与者在年龄、性别、教育背景、抑郁症的严重程度和持续时间以及抗抑郁药物的使用上保持平衡。
3
Much of the team's work will be on the ground in the Afar region of Ethiopia, also known as the Danakil depression.