A wince-inducing glance at the share performance of 25 firms that have gone cap-in-hand shows a 50% loss since the new index's inception on January 5th, double the decline of the wider S&P 500 index.

看看一度受人尊敬的25家公司让人失望的股票表现，自1月5日建立这一指数以来，这25家公司的股票市值已缩水50%，是更具代表性的标准普尔指数500指数跌幅的两倍。

A modified version of P index was used to assess P loss risk and identify critical source areas in Chaohu watershed at a regional scale.

以巢湖流域为研究区，尝试采用改进的磷指数法在较大的流域尺度开展非点源磷流失风险评价及关键源区识别。