地图资料源自德国联邦统计局、世界卫生组织欧洲区域办事处及罗伯特·科赫研究所。

Data for the map were obtained from Federal Statistical Office of Germany, World Health Organization Regional Office for Europe and Robert Koch Institute.

youdao

地图资料源自德国联邦统计局、世界卫生组织欧洲区域办事处及罗伯特·科赫研究所。

Data for the map were obtained from Federal Statistical Office of Germany, World Health Organization Regional Office for Europe and Robert Koch Institute.

youdao