1) vibratory wheel-soil's system
振动轮-土壤系统
2) vibration drum-soil model
振动轮-土壤模型
3) double-frequency vibration compactor and soil system
双频振动压实机-土壤系统
4) soil water flow system
土壤水流动系统
1.
The relations between soil water flow systems and soil water management in fields are analyzed.
阐述了田间土壤水全时空调控的概念与措施，分析了土壤水流动系统与田间土壤水调控的关系。
2.
The dynamic regime of soil water during the growth of winter wheat is simulated and the characters of soil water flow systems are also revealed for the artificial ridge and furrow topography of the soil surface during typical periods.
以衡水试验场沟播冬小麦田为例,建立了土壤沟垄微地形条件下土壤剖面二维饱和-非饱和水流运移的数学模型,对冬小麦生长条件下土壤水分的动态变化规律进行了模拟,揭示了人工微地形条件下典型时刻土壤水流动系统特征。
3.
Many general measures such as row spacing reduced and close planting,furrow growing,straw mulch and different irrigation quota treatment are synthetically tested on the basis of soil water flow system.
以土壤水流动系统理论为指导 ,进行了缩行密植、沟播、秸秆覆盖、不同灌水定额等多种措施的综合试验研究。
5) soil system
土壤系统
1.
The paper summarizes the suitable types of crop raised-bed planting for different areas and the improvement of the soil system.
综述了适宜不同类型区土地的垄作栽培模式,及垄作对土壤系统的改良、个体生长发育的促进和作物产量品质的提高等作用,并提出了需进一步研究的问题。
6) resonance vibration of wheel system
轮系振动
补充资料：计算机输入/输出控制系统(见计算机输入/输出系统)
计算机输入/输出控制系统(见计算机输入/输出系统)
computer input/output control system
iisuanii shuru/shuehu kongzhi xitong计算机输入/输出控制系统(com-puter inPut/ou中ut eontrol system)见计算机输入/输出系统。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条