Today's decline in stock price canceled out yesterdays gain.今天股票价格下跌,抵消了上一日的收益....a world without yesterdays or tomorrows.没有过去和未来的世界Memories, important yesterdays, were once todays. Treasure and notice today.记忆和重要的昨...
the coefficient of friction摩擦系数A coefficient of one means the markets move perfectly in step.系数为1表示各个市场的步调完全一致。The distribution coefficient equation is still valid for any value of n.对任一级n,分配系数关系式仍然是成立的....