Note: According to rules of State Statistical Bureau, price indices of investment in fixed assets are counted from 1992.
注：按国家统计局的有关规定，固定资产投资额价格指数从1992年开始计算。
2
The probabilistic distribution parameters of wind speed in wind farms are important indices that indicate wind energy statistical characteristics.
风电场风速概率分布体现了风能资源统计特性的重要指标。
3
The reason is simple: Cpk is a prediction, and one can only predict something that is stable. And process performance indices should only be used when statistical control cannot be evaluated.