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GPS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。
Proper millisecond time of blasting and corresponding frequency are chosen to decrease the blasting effects on buildings near the area of coal strip mine.
通过现场试验和爆破地震效应的观测，选取了较为合理的爆破微差时间及相应的爆破地震频率，降低了矿区附近的爆破地震效应。
With the mining depth of the strip mine and the height of the slopes increasing, difficulty of maintaining the stability and control of the slopes becomes bigger.
随着露天矿开采深度的不断增加，矿山边坡高度也不断增加，随之而来的是对边坡稳定的维护与控制的难度大大增加。
Taking Fushun Strip Coal Mine slope for example, the failure mechanism and distortion rule of the slope are analyzed.
以抚顺西露天矿北帮边坡为例，分析了边坡变形规律和破坏机制。
Strip mining is one of the main measures to mine the coal that is buried under villages and buildings.
条带开采是解决当今日益严重的村庄建筑物压煤问题的主要措施之一。
Strip mining is one of the main measures to mine the coal that is buried under villages and buildings.
条带开采是解决当今日益严重的村庄建筑物压煤问题的主要措施之一。
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