For each country, the national coverage gap was determined for an overall health service coverageindex and select individual health service indicators.
对于每个国家，国民医疗服务覆盖缺口确定为整体医疗服务覆盖指数和选定的个别医疗服务指标。
2
Based on Chinese Resources and Environment Database, the vegetation coverageindex for each county and its provincial normalized coefficient of 1995 and 2000 of Hubei province are calculated.
以中国资源环境数据库为支撑，计算出1995和2000年湖北省各市县植被覆盖指数及省级归一化系数。
3
Coverage is an important quantitative index for plant community structure.