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After the forage harvester prototype had been completed, we had carried experiment many times in Shen ze, Gao cheng, Lu quan of He bei province, the total areas amounts to more than 28 acres including ensiles work areas 8 acres and more than 20 acres yellow stalks work areas.

本机试制完成后,在河北省深泽、藁城、鹿泉等地进行了多次田间试验,作业总面积达170多亩,其中青贮作业面积50余亩、黄贮作业面积120余亩。

In 2003,the index of the landscape fragmentation has rised and the degree of the landscape fragmentation has changed seriously; the landscape of the soll and water loss has developed more and more multiple and fragmentized.

景观斑块个数增加,斑块平均面积出现不同程度的减少,景观斑块平均面积减少了5.7hm^2,景观破碎化指数1987年为0.914,2003年为0.922。破碎化指数增加,景观破碎程度加大。水土流失景观向多元化及破碎化方向发展。

But it couldn\'t be sowed or with a low emergence rate for drought.The fluid hilling of maize was put forward in this study which combines the functions of water preserving agent,the watering bed sowing,the properties of the soaked seeds and fluid sowing.

目前我国47%的地区年均降水量不足400mm,每年受旱农田面积占整个耕地面积的25%~30%,干旱造成的损失超过其它所有自然灾害。

The total area of 27,818 mu of cultivated land, of which 22,600 acres of irrigated area.

总耕地面积27818亩,其中水浇地面积22600亩。

By using the normalized difference vegetation index extracted from CBERS-02 data and the leaf area index data obtained from field measurement, this paper analyzed the relationships between the NDVI and the LAI of total samples of meadow, marsh vegetation, shrubs, and islanded forests of the wetland vegetation in Honghe Nature Reserve of Sanjiang Plain. The linear and non-linear regression models between NDVI and LAI of different wetland vegetation types were established, and the spatial distribution of LAI in the Honghe Nature Reserve was mapped.

利用中巴资源卫星CBERS-02影像提取的归一化植被指数和同期野外实测的叶面积指数数据,分析了三江平原洪河自然保护区草甸、沼泽植被、灌丛和岛状林4种湿地植被及样本总体的NDVI与LAI之间的相关关系,建立了NDVI与不同湿地植被类型叶面积指数间的线性和非线性回归模型,并制作完成洪河自然保护区LAI空间分布图。

Due to food pressure, grain product in the western Jilin Province will be enhanced in the near future. Farmland areas in the area will be decreased slowly in the near future, but with the technique development of irrigation establishment, paddy areas and utilization amount of fertilizer and pesticides will be increased rapidly. So, the NPS pollution from farmland will be more serious. The main lakes in the areas such as Moon Lake and Qagan Lake have been polluted by N and P, and the content of salt in the Nenjiang River has been increasing since last 30 years. All of these show that the negative effects of NPS pollution in the area have been serious and should not be neglected by the scientific research and corresponding government management. To deal with the contradiction of agriculture development and water pollution, the trend of increasing paddy area and using amount of fertilizer, pesticide and herbcide in the western Jilin Province should be controlled. Also, the drainage of return flow from paddy should be controlled and return flow should be disposed with ecotechniques by use of the large areas of lakes and mires in the area. Through these measures, the quality of surface water could be protected and the degeneration of ecoenvironment in the area could be contained.

我国由于粮食压力,未来吉林西部的粮食生产还将进一步加强,随着种植业结构的调整,垦殖率会略有下降,但随灌溉设施的建设与完善,水田面积将进一步扩大,化肥、农药的用量还将快速增加,农业活动引起的非点源污染将更加突出,而研究区的主要湖泊月亮湖、查干湖目前已达中等富营氧化水平,嫩江水质的咸化趋势明显,因此农田非点源污染物的流失及其内流区外流化面积的增加对地表水体富营养化、咸化的作用愈来愈明显,农田非点源对地表水水质的影响已不容忽视,应引起社会的关注,为协调农业发展与水污染这一矛盾,吉林西部应遏制化肥、农药施用量增长过快和水田过度开发的势头,控制洗盐回归水的排放量,利用区内广泛分布的大量泡沼对农田径流和回归水进行生态处理,既保护了地表水的水质,又有利于生态环境的改善。

Company covers an area of 80 mu, building area of more than 20,000 square meters, with fixed assets of more than 4000 million.

公司占地面积80亩,建筑面积20000多平方米,拥有固定资产4000多万元。

The company covers an area over 10,000 square meters, building area of more than 5000 square meters, fixed assets of more than 2800 million.

公司占地面积10000多平方米,建筑面积5000多平方米,固定资产2800多万元。

We have 1,100,000 RMB of fixed assets and more than 120 employees,18 of them are professional engineers.

公司占地面积21000余平方米、建筑面积7600余平方米,固定资产1100万元,员工120人,技术人员18人。

It covers 58,000 square meters, of which building area occupies 31,200 square meters.

占地面积58000平方米,建筑面积31200平方米,投资总金额超过人民币:200,000,000。

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推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。