EC的OA出版支出高度集中于少数商业出版集团。MDPI凭借其庞大的期刊组合和高产出策略，在发文量上占据首位。紧随其后的是Springer ...

BEIJING, Aug. 15 (Xinhua) -- China increased credit support for five key sectors this year, according to a report released by the People's Bank of China (PBOC) on Friday.