Eleanor enjoyed the relative informality of island life.埃莉诺喜欢岛上相对轻松随意的生活。Other groups such as the Church of God conduct their services with much more informality and a greater display of emotion.上帝会等其他团体做礼拜时不大拘泥形式,情感也就更加...
摩擦系数the coefficient of friction系数为1表示各个市场的步调完全一致。A coefficient of one means the markets move perfectly in step.倘若两个信号都是随机的, 则 互相关系数 为零.If the two signals are random, the cross - correlation is zero....