Two new flame feature vectors are defined:one is the flame detection context based dynamic feature row and the other is the optimal flame feature area vector.

A comparative study of tour-hotel industry s advantageous features in Hunan Province;

Analysis on the regional advantages of the cities in Yangtze River delta in development;

Then the new regional comparative advantages of this area is analyzed,Finally,the major countermeasures for bringing the regional advantages into full play and raising the competitiveness of regional entirety are suggested.

Giving full play to regional advantages and building high effective ecotype crops system are expounded, including following four ways, such as the unprocessed food grains type taking good quality rape, special wheat and quality rice as the key, the multiple.

A summary review of dominant regions of cassava growing in China;