cities in China  中国城市

Cities Northern China  粒线体; 中国北方城市

major cities in China  中国35城市

agriculture-pasturage ecotone in Northern China  华北农牧交错带

calcareous soil in Northern China  北方石灰性土壤; 小波概率神经网络(WPNN)

desert region in northern China  中国北方荒漠区

desert regions in northern China  北方荒漠区

Drought and flood in Northern China  中国北方旱涝

drought in northern China  华北干旱

dryland field in Northern China  北方旱农地区

farming-grazing zone in northern China  中国北方农牧交错带

grassland in northern China  中国北方草原

Hilly area in northern China  北方山区

interlock area of farming-pasturing typical region in northern China  北方农牧交错带

cable digital TV networking in cities and counties  有线数字电视市县联网

car parking in cities  城市停车

children in cities and towns  城镇儿童

children of farmers working in cities  总排汽损失; 进城务工就业农民子女

China cities  中国城市