Riska里斯卡riskn.危险；风险；投资报酬的风险vt.冒 ... 的危险；承受...的风险risk programming风险规划risk of schedule进度风险risk environment危险环境risk assessement风险评价risk exponential风险指数法risk deci-sion风险决策risk of security安全风险risk of auditing审计风险risk recognizing风险识别risk comparisons风险比较