We used a concentration index (CI) to assess distribution of nine MCH indicator groups across the household wealth index.
我们使用了集中指数（CI）来评估9个妇幼保健指标组在家庭财富指数中的分布。
2
An ignition stability index for pulverized coal (CI) has been contrived with IG-DTG analysis data. It comprehensively reflects the pulverized coal's ignition temperature and its combustion intensity.