According to 45 years (1956-2000) date of precipitation in the area, the annual mean precipitation is 666.1mm.
将1956 ~ 2000年平均降水量作为多年平均年降水量，全区多年平均年降水量为666.1毫米。
Mean annual precipitation rates may be associated with autism prevalence rates, researchers reported in the November Archives of Pediatrics and Adolescent Medicine.
研究人员在11月的《小儿科及青少年医学汇刊 》上报告称，年平均降雨量可能与孤独症的患病率有关。
For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
对于森林流域和灌木流域，其多年平均径流系数主要受多年平均降水量、多年平均蒸散量和平均坡度共同影响；
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