Abstract In this position paper we discuss thecurrent status of the core scientific journals in China. Based on discussionsof journals’ relation to a small group of full-text database providers, openaccess publishing and copyright problems, we conclude that China’s digitalpub ...
对段落而言,句与句之间不仅要有逻辑性,而且还要有凝聚力。在营造凝聚力时需要考虑单词的定位,合适的单词位置有助于创造出流畅的段落。 例 1a Yersinia contains several species . The cause of bubonic plague,also known as the “black death,” is one species , Y. ...