Complementing the purchase and development of these new systems are improvements in China's national air defense network, which, since 2007, spans the entire country.
增加这些新系统的采购与研发是中国在国土防空网络方面的进步，后者从2007年以来已经遍布全国。
In charge of National Land and Recourses Bureau, Construction Committee, Plan Management Bureau, City Management Bureau, Civil Air-defense Office, Housing Public Fund Management Centre, etc.
分管国土资源局、建设委员会、规划管理局、城市管理局、人防办、住房公积金管理中心等。
In charge of National Land and Recourses Bureau, Construction Committee, Plan Management Bureau, City Management Bureau, Civil Air-defense Office, Housing Public Fund Management Centre, etc.
分管国土资源局、建设委员会、规划管理局、城市管理局、人防办、住房公积金管理中心等。
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