 |
| Chinese | English |
| 人口结构和人口数量的变化趋势 | population trend The direction of change in the total number of persons inhabiting a country, city, district or area (居住在某个国家、城市、区或者区域的人的总数的变化趋势。) |
| 国家环境卫星数据和信息服务局 | National Environmental Satellite Data and Information Service |
| 环境数据【资料】和信息服务 | environmental data and information service |