Annual report on science & technology and information development of Guangzhou in China Annual report on science and technology and information development of Guangzhou in China 并列题名：Annual report on science & technology and information development of Guangzhou in China 并列题名：Annual report on science and technology and information development of Guangzhou in China Annual report on science technology and informatization of Guangzhou in China 并列题名：Annual report on science technology and informatization of Guangzhou in China Annual report on science technology and informatization in Guangzhou,China Annual report on science technology and informatization in Guangzhou,China. 并列题名：Annual report on science technology and informatization in Guangzhou,China Annual report on economic development of Guangzhou in China