清水供水系统
clear water supply system
循环水供水系统
circulation water supply system
饮用水供水系统
small drinking water supply system
草地农业系统
the system of grassland agriculture
Agro-grassland system
Grassland farming system
grassland agricultural system
pastoral agriculture system
SD model
grassland agrosystem
grassland agricaultural system
农业供水
agriculture water_supply
agricultural water supply
农业供水成本测算
calculation of agricultural water supply cost
农业系统持续度
agricultural system sustainability
农业系统动力学模型
agricultural system dynamic model
农业系统工程
Agricultural system engineering
Agricultural systems engineering
农业系统科学与综合研究
System Sciences and Comprehensive Studies in Agriculture
农业系统生产力
agricultural system productivity
区域农业系统
regional agriculture system RAS
泵供水系统
water supply system for pumps