电力物资
material of electric power
electric power materials
power materials
电力物资管理
electric power material management
人力物力
manpower and material resources
人力物力的分离
separation of human resources and material resourc
以物为本物本编程
OOP， object oriented programming
oop
object oriented programming
分层次人力资本
hierarchical human capital
农村人力资本
Rural human capital
countryside human capital
Rural manpower capital