关键词: 植物多样性, 植物多样性, 道路绿地, 衡阳市

Abstract:

Abstract: To reduce the transportation cost of dairy products, reasonably arrange transportation, and improve the economic benefit of the transportation company of dairy products, the transportation cost, vehicle type and benefit of dairy vehicle was analyzed. It was determined that the proportions of variable costs of road toll, refueling expense in the years from 2006 to 2008 respectively accounted for 62.89%, 64.01% and 54.74% of the total cost, and the proportion of main transportation cost and the order from high to low was determined; the transportation income, cost and profit of different vehicles in different months and years and their changes were analyzed; the new box-type semitrailer with the length of 12.5 meter and the power of 230 horsepowers is the best transportation vehicle of dairy products; the net transportation profit of semitrailer in January, May and August in 2006 was the highest, that in October was lower, and that in February and December was the lowest; the transportation income in May, August and November was the highest, and that in January, February and June was the lowest. The annual yield rate of semitrailer in 2006 was 10.18%, the vehicle of transporting dairy products is one kind of investment method with high risk and medium income.