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stem crops
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  “stem crops”译为未确定词的双语例句
     The results of the field experiment and calculation showed that the blade was rational in construction, perfect in cutting efficiency and long in service life, being appropriate for cutting thick and tall stem crops.
     计算和田间试验结果表明:设计的刀具结构合理,刀片切割效果好,使用寿命长,田间适应性强,适宜于高、粗茎秆农作物的收割,生产效率高,推广前景广阔。
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  相似匹配句对
     The distributional order in crops is root>stem>leaf>fruit.
     重金属在作物中的分布规律一般是根>茎>叶>籽实。
短句来源
     (stem leaven).
     g(干曲)。
短句来源
     On the Stem Family
     论主干家庭
短句来源
     Response of stem diameter of vegetable crops to soil moisture in greenhouse
     温室内作物茎秆直径变化对基质含水率的响应
短句来源
     Expert on Crops
     让土壤里长出希望的农作物专家——记国家科技进步二等奖获得者赵振东
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A toothed chaincutter was invented with analysis of systematically theory and field experiments. The designing index were introduced in the paper. Field experiments indicated that the toothed chaincutter was less power consumed, it can perform not only at a high cut speed and forword speed but also with advantages of wide coverage working smoothly, little vibration, little noise, and high productivity. The toothed chaincutter can be employed in various harvesters and fit into cutting wheat,rice and other...

A toothed chaincutter was invented with analysis of systematically theory and field experiments. The designing index were introduced in the paper. Field experiments indicated that the toothed chaincutter was less power consumed, it can perform not only at a high cut speed and forword speed but also with advantages of wide coverage working smoothly, little vibration, little noise, and high productivity. The toothed chaincutter can be employed in various harvesters and fit into cutting wheat,rice and other stem crops and hay.

通过理论分析和田间试验,研制出了齿形链式切割器。介绍了齿形链式切割器的工作原理和有关设计参数。田间试验表明:用于收割机械上收割小麦、水稻等细茎杆作物和牧草,割刀工作平稳,割台振动小,可实现高速切割和高速作业。

On the basis of statistical analysis of long duraton experiment data in runoff plots of Xifeng,Changwu,Yaoxian and Chunhua counties, the runoff ,runoff ratio,perneatation and soil loss on slopeland with different cultivation activities and biologic measures in the gullied loess plateau have been stuied.The results showed that the influences of different measures on runoff and soil loss were different.The soil and water conservation benefits of coutour furrow—and ridge planting,acupoint sowing,space—cultivation...

On the basis of statistical analysis of long duraton experiment data in runoff plots of Xifeng,Changwu,Yaoxian and Chunhua counties, the runoff ,runoff ratio,perneatation and soil loss on slopeland with different cultivation activities and biologic measures in the gullied loess plateau have been stuied.The results showed that the influences of different measures on runoff and soil loss were different.The soil and water conservation benefits of coutour furrow—and ridge planting,acupoint sowing,space—cultivation or interplanting between low or tall stem crops and low—stem crops were the best, and the orders were:cultivation method>sowing type>artificial grass>crop species on slopeland with≤3°;artificial grass>sowing type>cultivation method>crop species on slopland with≤20°.In addition,by modeling rain experiments in labortory,the runoff processes on slope with particular cultivation methods have also been studied and it has been testified that the principles of cultivation measures conservating soil and water were their capacities of reducing runoff,erosion force and intercepting sediment.

通过对西峰、长武、耀县、彬县、淳化等水土保持试验站农地径流场多年观测资料的统计分析,研究了黄土高原沟壑区不同耕作措施及生物措施情况下坡面径流量、径流系数、下渗量以及产沙量,发现不同措施对坡面径流及产沙量的影响不同。以水平犁沟等高垄作,点播,低杆作物或高中杆与低杆作物间作或套作为最好。其保土效益依次为:≤3°缓坡地,耕作方法>播种方式>牧草>作物种类;≤20°陡坡地,牧草>播种方式>耕作方法>作物种类。

Based on the survey and experimental results,this paper analyzed the time-sequence relationship between crop growth and rainfall distribution,and the potential water use rate,water supply-demand equilibrium and deficit features of different upland crops in the loess hilly zone of south Ningxia.The model of water ecological adaptability index (WEAI) was proposed to evaluate these features of upland crops.The results showed that autumn crops were superior to summer crops in the coupling characteristics between...

Based on the survey and experimental results,this paper analyzed the time-sequence relationship between crop growth and rainfall distribution,and the potential water use rate,water supply-demand equilibrium and deficit features of different upland crops in the loess hilly zone of south Ningxia.The model of water ecological adaptability index (WEAI) was proposed to evaluate these features of upland crops.The results showed that autumn crops were superior to summer crops in the coupling characteristics between crop growth and rainfall distribution.There were also differences in rainfall potential use rate among crops,the order being: perennial crops>root and stem crops>grain crops; autumn crops>summer crops.The water satiety rate and water ecological adaptability were higher for autumn crops than for summer crops,and higher in rainy years than in dry years.In line with water ecological adaptability index,the 6 main crops could be put in order of millet>potato>panic>flax>pea>spring wheat.The results of this study may provide theoretic basis for drawing up the decision scheme of cropping system in upland regions.

根据调查资料和田间试验结果 ,系统地分析了旱地不同作物生长发育与降水分布的时序关系、旱地作物水分潜在利用率和旱地主要作物水分供需平衡与错位特征 ,并利用水分生态适应性数学模型 ,对宁南黄土丘陵区主要作物的水分生态适应性进行了定量评价 .结果表明 ,秋熟作物生长发育与降水分布耦合性较好 ,夏熟作物生长发育与降水分布耦合性较差 .不同作物的降水潜在利用率存在差异 ,其基本规律是 :多年生牧草 >薯类作物 >谷类作物 ;秋熟作物 >夏熟作物 .作物的水分满足率和生态适应性 ,秋熟作物优于夏熟作物 ,丰水年份优于干旱年份 .旱地 6种主要作物的水分生态适应性指数排序依次为 :谷子 >马铃薯 >糜子 >胡麻 >豌豆 >春小麦 .

 
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