Beijing science and technology development center is the bounden duty pigeons .
北京天职鸽科技发展中心。
Over the years , anqing petrochemical will vigorously cultivate the national oil brand it as their bounden duty and obligation .
多年来，安庆石化将大力培养作为自己义不容辞的责任和义务的国家石油的品牌了。
Then the paper points out that how to explore the significance of modern architecture is bounden mission of every architect with social responsibility in the historical background of social development and change .
