dì / zhì / diào / chá / xiǎn / shì / zhè / piàn / xiàn / luò / dài / réng / rán / cún / zài / huǎn / màn / xià / chén / de / xiàn / xiàng地质调查显示,这片陷落带仍然存在缓慢下沉的现象。Geological surveys show that this subsidence zone is still slowly sinking.