21世纪是知识经济的时代,是信息化、学习化社会.面对国际竞争特别是科技革命、知识经济的挑战,高等师范教育惟有从封闭走向开放.这......

Antarctic krill (Euphausia superba) were collected from the Prydz Bay region during the austral summer of 1999/2000. The......