2.Annual rainfall is the determining environmental factor on Chinese Chiroptera species density distribution,and annualaverage temperature also has relatively significant affect.
4.This paper gives a survey on experimental forestland. 25 tree species were selected, and arranged in order by average diameter at breast height, average height, average individual volume and annualaverage volume increment in a unit area in this experiment.
5.Results Annualaverage total incidence of acute infectious disease Gaozhou City in fifty years was 1 288.32 per hundred thousand, and the annualaverage total mortality was 7.27 per hundred thousand.
8.Suqian has the monsoon climate of warm temperate zone, with abundant sunshine and rainfall. Its annual temperate averages 14℃ and the annualaverage precipitation is 913 mm.
9.The annualaverage living expenses for a prisoner in different regions of the country is around 650 yuan, close to the average living standard of the local residents.
