discuss in the unbalance of birth sex ratio in Guangdong province 失衡的两性“天平”：广东省出生性别比问题探究：discuss in the unbalance of birth sex ratio in Guangdong province research on the process of urbanization in Guangdong province Guide to the design of rural highway in Guangdong province based on the mixed research in Guangdong province Study on the rural social security system in Guangdong province Technical guidance on weather forecating in Guangdong Province 并列题名：Technical guidance on weather forecating in Guangdong Province Picture album of the intangible cultural heritage in Guangdong province Report on the development of electronic commerce in Guangdong province