The division of nature reserve into the core zone and experimental area is based on the pattern of protection value differentiation, while the buffer is zoned in order to protect the core and to study and monitor natural eco system.

The vegetation types of Wuliangshan National Nature Reserve is divided at level of formation,and protection values of the vegetation in the reserve are quantitatively evaluated from 7 aspects in rareness,peculiarity,ecological importance,fragility,disturbance,dominance of rare species and diversity.

Based on analyzing 1604 famous and ancient trees distributed in Yunnan province, and the following protection value of ancient and famous trees were identified.

Oil theft investigation of rail tanker and claim for compensation;

Focus on Safety and Integrate Resources to Reasonably Utilize Value-insured Capital;

The concept of reserve price in auction mechanism design is inducted as upper limit,which prevents the behavior of together-conspired bidding among bidders.

This article,based on Ad Words auction model with reserve price proposed in the Winner-pay and All-pay auction,analyzed how reserve price is influential to the bidding strategies and search engine providers\' expected revenue in the two auctions.