而这架飞机最终于10:06坠毁在一个重新启用的旧煤矿上。
Hawking's main concern was that a fleet of alien spacecraft could turn up wanting to strip mine the Earth for its bountiful resources.霍金的主要忧虑是一队外星人飞船舰队可能会突然出现,想要将地球上储量丰富的矿藏洗劫一空。
RTK surveying is a perfect union product of GPS and the communication technology. At present, RTK technology is widely applied in survey of strip mine.RTK 测量是G PS技术和通讯技术完美结合的产物,目前RTK技术正广泛应用于露天矿测量。