Soil water movement is studied by building mathematical model and by the finite element analysis under two-dimensional rainfall infiltration and evaporation for the machine-building terrace in this thesis.
机修梯田能够有效地防止水土流失,创造良好的水土生态环境,提高作物产量。
Study on the effect of fertilizing on newly-built terrace in dryland area of mid-Gansu
陇中旱区新修梯田施肥效应研究
The effect of auxiliary irrigation on yield of maize in terraced field;
梯田地集流补灌措施对玉米产量的影响
We take the sector of Helong,Jinghe River,northern Luohe River and the Weihe drainage area as an example,and analyze the effect of preventing and controlling of soil erosion by afforestation,planting of grass,the terraced field and dam of silt.
在总结黄河中游水土流失的影响因素和水土流失危害的基础上,以河龙区间、泾河、北洛河、渭河流域为例,分析了造林、种草、梯田和淤地坝防治水土流失的效果,结果表明在不同的区间应针对其水土流失的特点,采用不同的水土保持措施。
All hands turned out to repair the terraces and drain the water.
所有劳动力都出来整修梯田,排除积水。
Report of study on constructing terraced field by machinery in middle reaches of the Yellow River
黄河中游地区机械修梯田协作研究报告
Numerical Solution of Water Movement in the Soil of Machine Built Terrace by Finite Element Method under Rainfall Condition;
降雨条件下机修梯田土壤水分运动的有限元数值模拟
The hillside was terraced.
山坡上修成了梯田。
To form(a hillside or sloping lawn, for example)into terraces.
把(如山坡或坡地)修成梯田
Effect of undecomposed Organic Materials on Soil Fertility of Newly-built Terraced Field
非腐解有机物对新修梯(条)田土壤的培肥效果
One way is to cut a slope into @steps@ called terraces.
一种办法就是把山坡地修理成台阶的样子,即梯田。
Manual Amendment Terrace Job Practice of Water and Soil Conservation Engineering;
水土保持工程中人工修筑水平梯田的组织与方法
make into terraces as for cultivation.
为了耕田把地弄成梯田。
Concerned farmers are building terraces on hilly fields, rotating their crops, and using new plowing methods to cut soil losses significantly.
关注事态的农民们在山地上修造梯田,实行轮作,并采用新法耕作以大幅度减少土壤流失。
The terrace channels are convenient for irrigation.
梯田的沟渠便于灌溉。
The trees grew in terraces on the side of the mountain.
山坡的梯田上长着树木。
will be left on the terraces.
留在下面的梯田里。
hillside farming
坡地农业,梯田农业
Terraced fields can be seen everywhere in this area.
这一地区到处可见梯田。
The terrace that trapped the water became the farm field.
把水拦住的梯田成为农田。
With the elevator being checked, they had to climb the stairs.
电梯正在检修,他们只好爬楼梯了.
The lift does not work. It must be repaired at once.
电梯坏了,应该马上修理.
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