Zhang had set off this morning from the coal mining area in Inner Mongolia.

张是今天早晨从内蒙古的一家煤矿出发的。

youdao

Collapse of mined-out area is an environmental geological hazard of the coal mining area.

采空区塌陷属于煤矿区的环境地质灾害问题。

youdao

A supervoxel data model is introduced to represent exactly the complex space distribution of geological data in the coal mining area.

首先建立了一种能够有效地表达矿区地质数据复杂空间分布的超体元数据模型；

youdao

Graham Morgan, chairman of Cinderford Regeneration Board, said some of the buildings left in the former coal mining area had "not been touched" since the mid-1960s.

BBC: Cinderford, Forest of Dean

Wayne Thomas said the rise in the price of coal and the quality of the anthracite in the local area had seen mining become more profitable in recent years and led to a "resurgence of interest".

BBC: Gleision Colliery near Cilybebyll: Brief history