年最大平均风速
yearly maximum average wind speed
年平均风功率密度
annual average wind power density
时变平均风速
time-varying mean wind speed
月平均风速极大值
maximum mean wind speed per month
径向风风速风向
Radial wind speed and direction
X光齿槽骨丧失年平均量
yearly radiographic alveolar bone loss
大地震年平均发生率
The annual average rate of earthquake recurrence
多年平均发电量
average annual energy output
多年平均海面
multi-year mean sea level
多年平均降水量
mean annual precipitation
annual mean precipitation