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crop varieties
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  作物品种
    Programming for DTOPSIS Method and its Application in Appraising New Crop Varieties
    DTOPSIS法的程序设计及其在作物品种评价中的应用
短句来源
    The Analysis Method of Multidimensional Matter Element for Crop Varieties in Regional Trials
    作物品种多维物元分析法
短句来源
    Soil-borne methane (CH4) oxidation is affected by factors such as soil physic-chemical characters,temperature,fertilizer type and amount,crop varieties and their growth, kinds and concentration of heavy metals ions, and so on.
    土壤源CH_4氧化主要受土壤理化性状、温度、施肥种类和施肥量、作物品种及其生长状况、重金属离子种类与浓度等因子的影响。
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    The only way to achieve a sustainable agriculture in Yunnan is doing our utmost to protect the crop diversity, develop new crop or new varieties and widen the genetic basis of crop varieties.
    只有最大限度地保护作物遗传多样性 ,大力开发新的作物种类和优良品种 ,使农业生产的良种多样化 ,并努力拓宽作物品种的遗传基础 ,才能实现我省农业的可持续发展。
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    According to the allocation ratio of economic benefit from irrigation projects for different years calculated on the basis of precipitation conditions and crop varieties in Beijing,the total economic benefit from irrigation projects has been estimated to be 31.003 billion Yuan (RMB) since 1949.It is pointed out that irrigation water saving plays an important role in sustainable development of agriculture.
    根据降水条件和作物品种所得出的不同水文年的灌溉工程经济效益分摊系数 ,推算出北京市194 9年以来的灌溉工程经济效益为 310 .0 3亿元 ; 指出节水灌溉在农业可持续发展中的重要作用 ;
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  农作物品种
    The Preliminary Exploration on Multifactorial Evaluation Crop Varieties′ Stability with Application of DTOPSIS Method
    DTOPSIS法在农作物品种稳定性综合评价上的应用初探
短句来源
    Application of General Linear Model to Analysis of Unbalanced Data from Regional Tests of Crop Varieties
    广义线性模型在农作物品种区域试验非平衡数据分析中的应用
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    Agricultural intensification through the use of high-yielding crop varieties, chemical fertilizers and pesticides, irrigation, and mechanization has contributed substantially to dramatic increases in food production.
    农业集约化通过使用高产农作物品种、化肥、杀虫剂、灌溉以及农业机械化从根本上提高了粮食作物的产量,在一定程度上缓解了我国快速增长的人口与耕地资源相对不足之间的矛盾。
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    The paper primary explored the method of summarizing and valuing crop varieties′ stability using DTOPSIS with sweet potato regional test in Jiangsu province in 1998 as example.
    以1998年江苏省甘薯品种区试材料为例,初步探讨了DTOPSIS法综合评价农作物品种稳定性的方法和步骤。
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    The unbalanced data from regional tests of rice varieties in South China in 2002 were analyzed by general linear model(GLM). In comparison with traditional variance analysis model, GLM was an effective tool for analysis of unbalanced data from regional tests of crop varieties. \;
    应用广义线性模型(GLM)对2002年南方稻区国家水稻品种区域试验的非平衡数据进行了分析,与传统方差分析模型比较,显示了GLM模型是处理农作物品种区域试验非平衡数据非常有效的工具。
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    The Thermal Resources Models and Application on Crop Varieties Arrangement in Changbai Mountains
    长白山区热量资源立体分布模式及其应用
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    Climate ecology adaptability of economic crop varieties introduced in Shanghai area
    经济作物引种气候生态适应性浅议
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    The results indicated that the acceptance of garbage by soil was greatly potential, but obviously affected by soil types and crop varieties.
    结果表明:土壤消纳垃圾肥的潜力很大,但不同土壤类型对垃圾肥的负荷量有明显差异。
短句来源
    A further potential of increasing PUE lies in improving crop varieties.
    从长远看,抗旱高产品种的选育则是进一步提高PUE的潜力所在
短句来源
    In recent years, great achievements have been made on crop genetic engineering research and commercialization since the first transgenic plant was obtained in 1983. A large number of crop varieties with herbicide tolerance, insect resistance, disease resistance, stress tolerance and good quality have been developed and released in commerce. These new GMO (genetic modified organism) crops have played important roles in promoting agricultural production and crops resistance mechanisms studies.
    自从1983年首次获得转基因植物以来,转基因作物研究与产业化取得飞速发展,一批抗除草剂、抗虫、抗病、抗逆、优质的转基因作物相继被培育和得到商业化释放,在农业生产方面和作物抗性机理研究方面发挥了巨大作用。
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  crop varieties
Large-scale implementation of transgenic crop varieties raises concerns about possible nontarget effects on other organisms.
      
The results imply that the foraging success of natural enemies of pests can be enhanced by breeding for crop varieties that release specific volatiles.
      
The results are discussed in the context of the possibility of breeding crop varieties that are particularly attractive to parasitoids.
      
The hypothesis of biological simplification (genetic erosion) is tested with evidence from Andean agriculture, where farmers maintain a significant degree of crop diversity even as they adopt modern crop varieties.
      
Accumulation of metals (Cu, Fe, Mn, Cd, Cr and Pb) was estimated in the root, shoot and edible parts of different crop varieties grown in pot culture up to maturity and treated with industrial effluent.
      
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The newly-eroded area caused by sloving the problem of food and feul shortage in the Huaihe River watershed is about 38.88 million mu, accounting for 44% of total eroded area in the mountain and hill areas in the whole watershed, of which the indiscriminate mountain land reclamation is 3 million mu; cultivated slopping lands, 10 million mu; blank lands and forest and food crop intereropping lands, 4 million mu; and indiscriminate deforestration are 16.8 million mu. As a result, the amount of eroded soil can...

The newly-eroded area caused by sloving the problem of food and feul shortage in the Huaihe River watershed is about 38.88 million mu, accounting for 44% of total eroded area in the mountain and hill areas in the whole watershed, of which the indiscriminate mountain land reclamation is 3 million mu; cultivated slopping lands, 10 million mu; blank lands and forest and food crop intereropping lands, 4 million mu; and indiscriminate deforestration are 16.8 million mu. As a result, the amount of eroded soil can reach 120 million tons, accounting for 52% of total eroded soil. Based on the analysis of erosion problem, This paper suggests such measures as conservation of the existing forest and vegetation cover and water and soil resources, introduction of energy-saving techniques, selection of fine crop varieties, doing a large-scale work on water and soil conservation, seriously controlling erosion on slopping lands, planting firewood trees, and carrying out comprehensive controlling progfamines with small watersheds as the controlling unit so as to solve the problem of soil erosion caused by the shortage of food and firewood.

淮河流域因解决粮柴短缺问题造成新的水土流失面积约3880万亩,占全流域山丘区总流失面积的44%,其中滥垦山地300万亩,坡耕地1000万亩,坡式梯田500万亩,田间隙地、林粮间作地400万亩,滥樵滥伐林地1680万亩,所导致的土壤侵蚀量达1.2亿t,占总侵蚀量的52%。该文在分析上述问题的基础上,提出了对现有林草植被和水土资源的保护,引进节能技术,选择优良品种,大搞水土保持,狠抓坡耕地治理,营造薪炭林,以及开展以小流域为单元的综合治理,解决流域内因粮柴短缺问题造成的水土流失。

The arid and semiarid area in Northwest China covers an area of 83% of total inthat region.The major features of dry climate are less rainfall,less vegetation,great sur-face evaporation,serious short of agriculturally-used water,and frequent drought da-mages.Agricultural development in this region should be based on rational utilization ofwater resources,improvement of water use efficiency,exporation of agricultural yield in-creasing potentials,fighting against droughts and reducing disasters.Agrucltural engi-neering...

The arid and semiarid area in Northwest China covers an area of 83% of total inthat region.The major features of dry climate are less rainfall,less vegetation,great sur-face evaporation,serious short of agriculturally-used water,and frequent drought da-mages.Agricultural development in this region should be based on rational utilization ofwater resources,improvement of water use efficiency,exporation of agricultural yield in-creasing potentials,fighting against droughts and reducing disasters.Agrucltural engi-neering measures including better basic farmland construction,building waterconservancy works,planting trees,planting grasses for raising animals,breeding droughttolerate and high-yielding crop varieties,practising dryland farmning techniques and ap-plying weather information to carry out agricultural decisions,etc.should be adopted.

中国西北干旱、半干旱地区的面积约占该地区国土面积的83%。降水稀少,植被稀疏,地表蒸发量大,农业水分亏缺严重,旱灾频繁,为其主要干旱气候特征。本区农业发展从战略上应立足于:合理利用水资源,提高水资源利用率,挖掘农业增产潜力,抗旱减灾。以采取农业工程措施,搞好农田基本建设,兴修水利工程,植树造林,种草养畜,培育耐旱高产作物品种,推行旱作技术,应用气象信息进行农业措施决策等为主要对策。

Xinjiang enjoys rich light energy resources with a great productive potential as well asrich heat resources,being favourable to the growth of hygrophilous plants including corn andcotton.Richful sun shining and great diurnal temperature are favourable to the improve-ment of qualities and yields of crops,melons and fruits,but climate conditions for overwinterare very poor.There is less rainfall in the plain area with a great varying frequency and un-even distribution regionally.Sprining drought is serious with...

Xinjiang enjoys rich light energy resources with a great productive potential as well asrich heat resources,being favourable to the growth of hygrophilous plants including corn andcotton.Richful sun shining and great diurnal temperature are favourable to the improve-ment of qualities and yields of crops,melons and fruits,but climate conditions for overwinterare very poor.There is less rainfall in the plain area with a great varying frequency and un-even distribution regionally.Sprining drought is serious with more meterological disasters.Therefore,the advantages of light energy resources should be fully utilized by improvinglight energy use efficiency.Different cropping systems and different crop varieties should beadopted in accordance with local conditions characterized by uneven distribu-tion of light andheat resources.Accordingly,hygrophilous plants can be adopted to the south part of Northxinjiang.The long-fiber commer-cial cotton producing bases will be set up in the south andeast Xinjiang.Grapes,melons and fruits as well as other industrial crops such as long-fibercotton can be developed in Tulufan Basin.Moisture resources should also be used and devel-oped rationally.Also,attention must be paid to developing irrigation and improving water useefficiency.

新疆光能资源十分充裕,光能生产潜力较大。热量资源比较丰富,利于玉米、棉花等喜温作物的种植,光照丰富,温差人对作物和瓜果产量提高和优质有利。越冬气候条件较差。平原地区降水稀少,变率大,地区季节分配不均;春旱严重,气象灾害多。因此,要充分利用光能资源优势,提高光能利用率。针对地区光热不均衡的特点,应因地制宜,采取不同熟制和不同种类作物栽培,北疆南部可种植喜温作物,南疆和东疆可建立长绒棉商品生产基地,吐鲁番盆地可大力发展葡萄、瓜果和长绒棉等经济作物。要合理开发利用水分资源,发展灌溉,科学用水,提高水的利用率。

 
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