Both lateritic deposit and gossan deposit are of weathering origin.红土型金矿床、铁帽型金矿床同属风化淋滤成因的残坡积表生金矿床.Exploration markers includes hot - water sedimentary rocks, gossan wall - rock alteration, and geophysical and geochemical...
Many senior managers are technologically illiterate.许多高级经理都对技术知之甚少。Doped silicon and germanium are technologically the most important types of semiconducting material.添加硅和锗在工艺上是半导体物质中最重要的类型.We never should have saved the...
They sparred for a moment, on the brink of a full fight.他们互相推搡了一会儿，眼看就要大打出手了。Over the years he sparred with his friend Jesse Jackson over political tactics.这些年以来，他一直跟他的朋友杰西·杰克逊为政治手腕的问题争论不休。They had always gotten along, e...