[, ]a target or limit which measures or controls an activity 参数；参量；指标◆key performance parameters 关键的绩考指标◆We had to work within the parameters that had already been established. 我们必须在事先确定的范围之内行事。⨁performance / price / risk parameters 业绩／价格／风险指标⨁financial / investment parameters 财务／投资指标⨁to define / establish / set parameters 界定／确定／设定指标