Finally we got the main indices of eutrophication of lakes fleetly and exactly by analyzing the measured concentration of lakes in their algae breeding peak time.
②The absolute quantity of elder population is large, in which the amount is more at low age and increases fleetly to high age group.
The"Third-Part Logistics" is developing fleetly as a newly arisen property in our country, and it is mean that all kinds of profession that provide logistic serve to the owner of goods.
