The results showed that the fish were distributed in both the corner and the edge of the flume with and without the reefs,and the average incidence of the fish was about 20% and higher in the district of Ⅰand Ⅱ than the rest in the experiment.

This paper discuss a new searching method for submarine which have been found by other naval force and analyse it s searching efficency,at the same time we use three index-average finding probability,searching time and frenquency of change direction to emulate and compare with the expanding square matrix method being used in navy currently.

The Discount Rate and the Resource Sustainability of Visitor Attractions

This paper analyzes the essence of discount rate and discount in mining right evaluation.

Therefore it is advisable to rationalize the prices of mineral commodity and the discount rate.

From such aspects as paper market evolution, banks performance in paper business, new varieties of paper business, as well as return and risks in paper discount, this paper provides an overall analysis of the RMB paper market and the paper discount business, and puts forward some viewpoints regarding the trend of discount and rediscount rates.

The central bank s raising of rediscount rate in 2001 caused a sharp shrink of rediscount business, which had a profound impact on the paper market in terms of its operational mode, market scope and development.