凡是在继续开采的矿区，都设置了纠察队。There was widespread picketing of mines where work was continuing.壳牌石油公司签订了一份开采阿尔汉格尔附近的石油和天然气资源的合同。Shell signed a contract to develop oil and gas reserves near Archangel.他靠开采银矿积累了一笔财富。He amassed a fort...
赝力的一非常重要的特征是,它们永远与质量成正比.One very important feature of pseudo forces is that they are always proportional to the masses.用相空间表示点的运动来描写混沌态的赝随机变化.The pseudo random of chaotic state is described according to the motion of poi...