1.
Very careful covering was carried out and no throw occurred.
人们小心翼翼地采用了覆盖措施，未发生抛掷。
2.
Study on Soil Ecological Effect with Different Mulching Measures in Tea Garden;
茶园不同覆盖措施的土壤生态效应研究
3.
Influence of Different Cover Materials on NH_3 Volatilization from Chicken Manure Composting
不同覆盖措施对鸡粪堆肥氨挥发的影响
4.
Effects of different mulching methods on the growth and nutrients absorption of maize
覆盖措施对夏玉米生长和养分吸收的影响
5.
Effect of Covational and No-tillage on Soil Water Use Efficiency under Different Mulching Method in Dryland Area;
常规耕作与免耕不同覆盖措施对旱作麦田土壤水分利用影响研究
6.
Studies of Soil Ecological Effects under the Different Mulching Measures in Xinyang Maojian Tea Garden;
信阳毛尖茶园不同覆盖措施的生态环境效应研究
7.
Study on protective tilling and plastic mulching technique to maize planting in the drought zone of middle Ningxia
宁夏中部干旱区玉米种植保护性耕作及覆盖措施研究
8.
Effects of Mulch Tillage Treatments on Soil Environment and Maize Growth;
覆盖耕作措施对土壤环境和玉米生长的影响
9.
Study of Seepage of Sluice Foundation on Deep and Overburden Layer and Engineering Measures
厚覆盖层上闸基渗流分析与基础处理措施研究
10.
Numerical Analysis for Influence of Anti-seepage Measure of Deep Overburden Foundation on Seepage Field
深覆盖层地基防渗措施对渗流场影响数值分析
11.
Grouting Construction Technique Study about Yele Hydroelectric Project Diaphragm Wall and Deep and Thick Overburden on Right Bank;
冶勒水电站防渗墙及右岩深厚覆盖层灌浆施工技术措施研究
12.
Effect of Mulching and Fertilization on the Winter Wheat Growth and Soil Fertility in Loess Yuan Region
不同覆盖施肥措施对黄土塬区冬小麦生长及土壤肥力的影响
13.
Effects of mulching and fertilization on winter wheat field soil moisture in dry highland region of Loess Plateau
不同覆盖施肥措施对黄土旱塬冬小麦土壤水分的影响
14.
Effects of Different Mulching Measures of Water Saving on Soil Environment of Tobacco Field, Yield and Quality of Flue-cured Tobacco;
不同覆盖集水栽培措施对烟田土壤环境及烤烟产量和品质的影响
15.
Influence of Heat Preservation Measures through Covering on Ability of Treating Cattle Manure by Eisenia foetida in Late Autumn and Early Winter
晚秋早冬季节覆盖保温措施对蚯蚓处理牛粪能力的影响
16.
Effects of Perennial Alfalfa and Hedgerow System on the Adjustment and Control of Soil Erosion in the Granite Sloping Fields
生草覆盖和植物篱措施对红壤坡地土壤侵蚀调控效应研究
17.
During the rehabilitation construction of 1985,the asphalt facing was covered by the sand gravel with a stone pitching surface.
1985年对该坝采用砂砾石料覆盖和沥青混凝土面板加固等综合措施进行了处理。
18.
Inter-planting models were designed with various species of crops ripening at different times.
果园内实施多熟作物覆盖、间种套种。