The introduction comes from Wikipedia, the free encyclopedia. Dice's coefficient , named after Lee Raymond Dice and also known as the Dice coefficient , is a similarity measure over sets: It is identical to the Srensen similarity index , and is occasionally r ...
最近,我国云南、贵州、四川、广西等地严重干旱,导致很多的人生健康与社会稳定诸多问题。 反思一下: 地球局部地区缺水,会产生如此严重的后果,那么,作为一个有机体,人体也面临这各类循环系统的矛盾,比如水。 最近看完美国著名医学博士F巴特曼的《水是最好的药》(Your body's many cries for water ...