artificial hay是什么意思

用法例句

The results showed that for TN,TP,CODMn,NH4+-N and the transparency the sequence of treating effect is basically: strip aquatic mats> AquaMats> artificial aquatic mat>plant carpet>the control;in it the removal rates of TN,TP,CODMn by strip aquatic mats were 97.

结果表明:对TN、TP、CODMn、NH4+-N、透明度等指标的处理效果顺序基本为条形水草>AquaMats>人工水草>植物地毯>对照组,其中条形水草对TN、TP、CODMn的去除率分别为97。

The quality of eutrophic waters was improved by the algae-bacterium biofilm, which covered over the artificial aquatic mat made from a kind of mend macromolecule material.

将一种由改性高分子材料制成的人工水草作藻 菌生物膜的载体 ,来改善富营养化水体水质 。

Seasonal dynamics of biomass and nutrition of artificial grassland established in "black soil type" degraded grassland in Gemutan;

格姆滩黑土滩人工草地植物量及营养季节动态研究

Study on the changes of soil nutrients,microbial biomass P and neutral phosphatase activity of artificial grassland sown in different years in the headwaters of the Yangtze and Yellow Rivers;

江河源区不同建植期人工草地土壤养分及微生物量磷和磷酸酶活性研究

Characteristics of artificial grassland plant communities with different establishment duration and their relationships with soil properties in the source region of Three Rivers in China;

三江源地区不同建植期人工草地植被特征及其与土壤特征的关系

Optimum study of sown pasture sheep systems Ⅴ Study of the effect of rotational grazing on pregnant Cormo ewe intake;

人工草地绵羊系统优化研究Ⅴ人工草地划区轮牧考尔木怀孕母羊群体采食量研究

Improving Sown Pasture-Sheep Production SystemsⅢ Analysis of Efficiency for Winter and Spring Lambing Systems within Existed and Improved Systems;

人工草地绵羊放牧系统优化生产模式研究Ⅲ冬、春羔实验系统及优化系统的生产效率分

Effects of Grazing Intensity on Forage Productivity and Sheep Performance at Pasture in South China

放牧强度对南方人工草地和绵羊生产性能的影响(简报)

Forage introduction experiment for sown pasture establishment in alpine areas of Yellow River s upper reaches;

黄河上游高寒地区建植人工草地引种试验

Optimization of shorthorn beef cattle grazing system on sown pasture;

人工草地纯种短角肉牛放牧系统优化研究

The growth and reproductive trends of Leymus chinensis on sown pastures;

人工草地的羊草生长繁殖动态

Moreover,agrometeorological model of yield accumulation of artificial pasture was establishe.

根据试验观测资料,分析了气象因素和产量的动态,运用统计学原理分别建立了人工牧草产量与各环境因子及多因子回归模型,采用最优化原理期望值系数法对影响人工牧草的环境因子进行相关分析,并利用水-热指数建立人工牧草产量积累的农业气象模式。

Study on the Degradation Trend of Lolium perenne-Trifolium repens Artificial Grassland

黑麦草-白三叶人工草地退化趋势研究

Weed Ecological Strategy and Its Integrated Control of Mixture Grassland of Cultivated Perennial Grass in Alpine Region of Qinghai Tibetan Plateau;

高寒地区禾草混播人工草地杂草生态对策及其综合治理

Digestibility of Natural And Cultivated Grasslands by Yaks in Alpine Pastoral Region;

牦牛对高寒牧区天然草地和人工草地牧草消化性的研究

The Study on Sustainable Utilizing Strategies of Water Resources in the Planted Grass Land;

人工草地水资源可持续利用对策研究

Research on Arthropod Community in Tall Fescue Artificial Grassland

苇状羊茅人工草地节肢动物群落研究

Thirdly, man-made grassland is being promoted so as to ease the pressure brought to bear on natural grassland by the ever-growing livestock population.

三是建设人工草地，减轻牲畜数量增加对自然草地的压力；

Studies on Phytomass Dynamics of Poa Pratensis L.cv. QingHai Artificial Grassland and Cold Resistance in the Headwater Area of Yangtze, Yellow and Lantsang Rivers;

三江源区青海草地早熟禾人工草地植物量动态及抗寒性研究

The Study of Interspecific Relationship and the Characteristics of Weed Community of the Mixed Cropping Annual Artificial Grassland in the up Stream of Shiyang River;

石羊河上游一年生人工草地种间关系及杂草群落动态研究

Processing Optimization Research on the Seasonal Balance of Supply and Demand in YunGui Plateau Sown Pasture Sheep Grazing System;

云贵高原人工草地——绵羊放牧系统草畜动态平衡过程优化研究

Effect of Brassinolide(BR) on the Quality and the Yield of Leymus Chinensis Growing in the Sown Grassland;

油菜素内酯对羊草人工草地产量及其品质的影响

Effects of species richness on weed invasion in an artificial grassland ecosystem in eastern Tibetan Plateau

青藏高原东缘人工草地群落物种丰富度对杂草入侵的影响

Optimum study of sown pasture sheep systems Ⅳ Study of the effect of rotational grazing on pregnant Romney ewe intake

人工草地绵羊系统优化研究Ⅳ人工草地划区轮牧罗姆尼怀孕母羊群体采食量研究

workers scything in the meadow

用长柄大镰刀在草地上割草的工人

Dry Matter and Protein Yields of Leymus Chinensis Grassland Changes Induced by Defoliation;

人工羊草草地产量和质量对刈割的反映

Artificial Control Impact on Community Character of Gramineous Mixed Grassland

人工调控对禾草混播草地群落特征的影响

Characteristics of Weed Community of Mixed Cropping Annual Artificial Grassland

1年生人工混播草地杂草群落特性研究

An artificial substitute for such a grassy layer, as on a playing field.

人工草皮人工种植的这种草皮的替代品，如在运动场地上

a field of cultivated and mowed grass.

人工栽培的并且修剪过的草地。