按人口平均计算的本地生产总值
gross domestic product per capita
per capita gross domestic product
按人口平均计算的国民生产总值
per capita gross national product
航次平均计算法
voyage averaging calculation
恒定平均流量的脉动流
pulsating flow of mean constant flow-rate
年平均流量预报
prediction of mean annual discharge
平均计算操作
average calculating operation
平均计算动作
average calculating operation
operation， combination
Operation
Combination
平均计算运算
average calculating operation
平均计算作业时间
average calculating operation time
average calculating operating time