查询词典 crops
- 与 crops 相关的网络例句 [注:此内容来源于网络,仅供参考]
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First the theory of grey system and of principle grey prediction model is presented.Based on the data of sown areas of farm crops in Hubei Province for 9 years,the GM(1,1) grey prediction model is established and the precision of prediction is higher by checking the result,so the model may be applied to the prediction of sown areas of farm crops in Hubei Province for futural severe years.
中文摘要:首先介绍了灰色系统理论及灰色预测建模原理,以湖北省连续9年的农作物播种面积数据为基础,建立GM(1,1)灰色预测模型,对湖北省未来8年的农作物播种面积进行了预测,并对预测结果进行检验,预测结果精度较高,可以用来对湖北省未来几年的农作物播种面积进行预测。
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Because of the rice genome sequence analysis, have access to a large number of human genetic information and function of rice genes, in order to cultivate high-yield, high-quality, delicious rice varieties lay the foundation for and contribute to understanding of wheat, corn and other gramineous crops Genome in order to bring the whole basis of food crops and applied research.
因为通过对水稻基因组进行全序列分析,人类能获得大量的水稻遗传信息和功能基因,为培育高产、优质、美味的水稻品种打下基础,并有助于了解小麦、玉米等其他禾本科作物的基因组,从而带动整个粮食作物的基础与应用研究。
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The comparative study on vegetation background survey of the stationsand the comparison on level of phytocoenology on zonal habitats indicates thatthe diminishment of the numbers of families,genus and species,compositionof life types,diversity of communities and habitats,;and the increscence in theproportion of photosynthesis functional groups of C3/C4 plant,richness ofspecies,density of tussock and tiller,diversity of species,evenness,leaf areaindex,leaf area duration,dry matter production of communities alongside thelatitude increasing and the temperature decreasing;and the dynamic curve ofthe community productivity also tend to steadily increase along with thetemperature going up and the heat accumulation gradually in moderate-temperate steppe station from violent fluctuation along with seasonal badly-distribution of precipitation in warm-temperature steppe station;manifestingthat transformable tendency of productivity pattern of the community from morevigorous net assimilation,sparser and higher crops stricture of tussock and tiller,and possession on more resources by less species inclined to thicker in densityof crops,superior effectiveness of multi-leaves and pattern of multi-speciesresource sharing,reflecting that bigger disparity of the vegetationcharacteristics and the style of the community growth in the two differentthermal-type steppe stations owing to background of natural-historicenvironment and combination of water and heat.
内蒙古草原区两个不同热量型研究站点植被本底调查和显域地境群落学水平的比较研究表明:随纬度增加和气温降低,植物科、属、种的数目,生活型组成,群落类型和生境类型的多样性均趋于减少,而C3/C4光合功能群比值和群落的物种丰富度,株丛密度,物种多样性,群落均匀度,叶面积指数,叶面积持续时间和群落干物质生产能力均趋于增加,群落生产力动态曲线从随天然降水的季节分布不均而剧烈波动趋向于随气温逐渐升高和热量逐步积累而稳定增长,显示出两站点植物群落从较为旺盛的群体净同化作用、较为稀疏高大的群体结构和少数物种占有较多群落资源的生产力格局向较高的群体密度、优良的多叶性能和多物种资源共享的群落生产力格局转变,反映出在内蒙古草原区不同的自然历史环境背景和不同的温度条件及其水热组合状况影响下,两个不同热量型草原站点植被性质的分异特征和显域地境群落生长模式的较大差别。
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It is reported that in china irrigative water use efficiency is only 0.4 ,and that water use efficiency of crops is 1 kg/m3; and is only half of developed country, thus it can be seen that the key of saving agricultural use water is to how to increase crops use water efficiency .
我国灌溉水利用系数仅为0.4,农作物水分利用效率仅为1kg/m~3,是发达国家的一半,由此可见发展节水农业的关键是提高农作物的水分利用效率。
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The differences of soil microbes'components, soil enzyme activities, and soil fauna between genetic crops and isogenic strain crops were analyzed.
评价不同转基因作物对土壤生态系统的影响具有重要的生态学意义,急需发展和完善以分子生物学为主的风险评价方法。
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Phosphorus presented in crops such as grains, beans, oil-bearing crops is in the form of phytate-phosphorus. The utilization rate of phosphorus in phytate by monogastric animals was very low because of the lack of phytase.
在动物饲料中富含磷的谷物、豆类和油料等作物中,磷的基本贮存形式是植酸磷,因单胃动物体内缺少能分解植酸的酶很难利用这些植酸中的磷,其利用率极低。
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A survey on the crops grown on the restored manganese mine lands in Pingle and Lipu of Guangxi was conducted, and the heavy metal concentration s in the edible parts of the crops were analyzed.
对广西平乐、荔浦两锰矿恢复区种植的食用农作物进行了调查和重金属含量分析。
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Rotenone to the development of solid or non-pollution of water-based pesticide formulations, developed into a highly efficient, low toxicity, low-residue, the environmental safety of pesticides, both to improve control, reduce weight, reduce costs, while Virtue a wide range of pests, to expand the scope of prevention, but also delay the emergence of resistant pests, the Company from Tephrosia vogelii extracted rotenone, can stimulate the growth of crops to stimulate the proliferation of crop chlorophyll, especially in fruits, vegetables, tobacco, and peanut and other crops have yield significant role in the company's use of the rotenone-crystal research and development, the preparation of new pesticide products market with unlimited business opportunities!
把鱼藤酮研制成无公害的固体或水基性的农药制剂,发展成为高效、低毒、低残留、对环境安全的杀虫剂,既能提高防治效果,减少用药量,降低成本,又能兼治多种害虫,扩大防治范围,还能延缓害虫抗药性的产生,本公司从非洲山毛豆中提取的鱼藤酮,能刺激作物刺激作物叶绿素增生,尤其对于果、蔬、烟、及花生等作物具有明显的丰产作用,使用本公司的鱼藤酮晶体研究开发、配制新农药产品具有无限的市场商机!
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Triticum aestivum L. is one of important grain crops in the world. It accounts for 17% of the size of white crops, which is the main food of 35% of population of the world.
小麦是世界上重要的粮食作物之一,在谷类作物中其产量占到17%,是世界35%人口的主要食品作物。
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The administration hopes to divert some of the price subsidies to farmers of speciality crops, who resent being left alone like grown-ups while the government coddles producers of corn, wheat, rice and other favoured crops.
政府希望将一些价格补贴转移到种某些作物的农民身上,这些农民在政府小心关怀谷物,小麦,大米和其它受关心的作物的时候,感到了类似被大人们抛弃的反感。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。