Hubei Province is one of the critical grain production regions in China with the quantitative cultivated landand good natural condition; it plays an important r
By reviewing the traditional measure methods of the integration degree of the tourism industry, we concluded that measure methods of the integration degree of t
Qingtian County of Zhejiang Province,China has maintained the traditional rice-fish agriculture for about 2,000 years and formed exceptional cultural heritage b
It is important to establish the evaluation system of the cleaner production of the mining enterprise, which canprovide the technical support and guidance for t