要富集成矿只需保持长期的层间循环.Concentration of ore would simply require prolonged interstratal migration.这类矿床表现为一度广泛分散的物质非常高度地富集起来.Such deposits represent very great concentration of materials once widely dispersed.初步的化学分异使铀富集.Primar...
We use nonparametric tests, we lose sharpness in estimating intervals.使用非常数检验我们失掉了估计区间的灵敏性.Butler debated with himself in silence for a few moments, estimating the man before him.巴特勒默默地考虑了一会儿, 估计着他面前的人.This chapter descr...
I disagree with Andrew Russell over his piece on British Rail.我不同意安德鲁·拉塞尔那篇关于英国铁路公司的文章。Stewart took over yesterday when Russell was debilitated by a stomach virus.昨天拉塞尔因肠胃病毒感染身体不适，由斯图尔特暂时接手。He believed in the philosophy ...
I don't like manipulations or lies.我不喜欢受别人的摆布，也不爱听到别人说谎。This is one of the manipulations with strong stimulation.本法为强刺激手法之一.Ethanol will interfere with subsequent manipulations of the DNA.酒精会干扰之后的DNA操作....
In Petersburg, 30 patrolmen have died violently in the past five years.在彼得斯堡，过去5年中有30名巡警死于暴力事件。She says the patrolmen rounded them up at the village school and beat them with rifle butts.她说巡警在村里的学校把她们赶到一起，并用枪托殴打她们。The dr...