当小岛几乎完全沉陷与水下时，爱决定离开。
When the island was almost totally under, love decided it was time to leave.
通过分析得出测氡技术完全可作为一种辅助手段与常规测量一起进行地表沉陷的观测研究。
Radon measuring technology can be used as a supplementary method to study the ground subsidence in mining area with common survey.
通过分析得出测氡技术完全可作为一种辅助手段与常规测量一起进行地表沉陷的观测研究。
Radon measuring technology can be used as a supplementary method to study the ground subsidence in mining area with common survey.
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