1.Standard Deviation n.the square root of the variance［物］标准偏差

2.Risk weight n.风险加权

3.P/E ratio n.abbr.价格利润比（Price/Earnings Ratio）

4.SAT，全称Scholastic Assessment Test，简称美国高考。由美国大学委员会（College Board）主办，SAT成绩是世界各国高中生申请美国名校学习及奖学金的重要参考。

5.bear market:a market characterized by falling prices for securities.It is a situation in the stock market when people are selling a lot of shares because they expect the shares will decrease in value and they will be able to make a profit by buying them again after a short time.熊市；空头市场；卖空市场，指证券市场上，价格走低的市场。即总体的运行趋势是向下的，其间虽有反弹，但一波却比一波低。在这样的市道中，绝大多数人是亏损的，当然空头市场中也不乏机会，但机会转瞬即逝，不易捕捉，在空头市场中的操作尤其困难。与“bear market”相对的是“bull market”（a situation in the stock market when people are buying a lot of shares because they expect the shares will increase in value and they will be able to make a profit by selling them again after a short time）多头市场；牛市；旺市

6.CPA n.abbr.注册会计师（Certified Public Accountant）；民间财产代理人（Civilian Property Agent）

7.acronym n.word formed from the initial letters of a group of words，eg UNESCO（United Nations Educational，Scientific and Cultural Organization）首字母缩略词（由一组词中各词的首字母组合而成的词，如UNESCO是由United Nations Educational，Scientific and Cultural Organization各词的首字母组成的词）