查询词典 yield per unit area

The results of agreement and accuracy test showed that the agreement index was above 0.85; the historical coincidence of the model reached 100%; the accuracy of cassava per-unit area yield model reached first grade while the accuracy of cassava planting area and total yield model was in second grade.

经拟合及精度检验，拟合指数均在0.85以上，历史符合率达100%，木薯单产模型为一级精度，木薯面积、总产模型为二级精度。

The results showed that from 1998 to 2003,the yield per unit area of Chinese angelica has been increasing year by year.

结果表明：从1998~2003年，当归的单位面积产量逐年增加。

The results were as follows, the total cultivated area of Liaoning province has declining tendency in recent 26 years, the total grain yield and the grain yield per unit area increased in "wave" style; the grain yield per unit area and total planting area had the great effect on total grain yield, and the effect of yield per unit area on total grain yield is bigger than that of planting areas; the yield and the planting area of different crops also affected total grain yield greatly, and maize, rice, durra, wheat affect the total grain yield by grain yield per unit area, while millet, maize, wheat affect the total grain yield through planting area changing.

得出如下结论，辽宁省近26年粮食总播种面积呈下降趋势，粮食总产量和平均单产受气候条件影响呈波动式增加；粮食总播种面积和平均单产均显著影响着粮食总产量的变化，并且粮食平均单产的变化对总产的影响要大于粮食播种面积的影响；各种作物的产量和播种面积变化都影响粮食总产量的变化，但各种作物对粮食总产量影响的方式不同，其中玉米、水稻、高粱和小麦主要是通过单产的变化影响粮食总产量，谷子、玉米和小麦则是通过播种面积的改变来影响粮食总产量的变化。

Tea crop area, harvesting area, per unit area yield, gross output, and the total agricultural output value of the tea industry are analyzed and assessed by using regression model analysis.

运用回归模型对茶叶种植面积、采收面积、单位面积产量、总产量、茶叶农业总产值进行分析和预测。

To achieve 2 to 3 Mu basic farmland per person in the whole county as early as possible; to adjust the traditional crop production structure; to improve the organization system of agriculture technology popularization, to popularize quality and high yield planting techniques, promote the quality and yield per unit area, achieve food self-sufficiency and ensure food security.3 According to the zone characteristics of vegetation and the sub-divisions of climate and vegetation in Ansai County, we must rationally allocate forest, orchard and grass in different land.

全县尽快实现人均2～3亩基本农田：调整种植业结构；健全农业技术推广组织体系，综合推广优质高产栽培技术，提高单位面积作物质量与产量，基本实现粮食自给，保证粮食安全。3根据植被地带性特征和安塞气候、植被分区，合理配置安塞生态林草和经济林果。

Moreover, the countermeasures to realize the sustainable development of grain are presented, such as balancing between the fluctuation and crop construction of purveyance production, relying on scientific progress to increase grain yield per unit area, strengthening ability of agricultural production, establishing protection policy of agricultural production and improving farmers' enthusiasm of agricultural production.

在此基础上提出平衡粮食产量波动和结构调整，提高粮食单产和科技支撑水平，加强粮食生产能力建设，切实落实粮食生产保护政策，提高农民农业生产积极性的建议。

Measures in force per unit area, the stress at which a material will undergo a permanent change in shape in response to an applied force.

Yield Strength：在出现永久性变形前单位面积所承受的最大压力。

As modern cotton varieties including Bt transgenic cotton are adopted and the yield per unit area continues to increase,potassium deficiency is occurring at a rising frequency in many cotton-growing countries.

随着棉花新品种特别是转Bt基因抗虫棉应用于生产和单位面积产量不断提高，棉花缺钾现象在许多植棉国家已越来越普遍和严重。

This article has selected from 1995 - 2007 13 year data, since has been our country stable agricultural policy data, reliable, obtains the grain yield and the farm investments, the crops sown area, the farm price, the primary industry working population, the countryside electricity consumption, the agricultural chemical fertilizer employment quantity, the disaster area, the yield per unit of area, the effective irrigated area finally through the empirical analysis, based on this and gives the comment and the measure.

本文选取了从1995年—2007年13年的数据，都是我国稳定农业政策以来的数据，可靠性强，最后通过实证分析得出粮食产量与农业投资、农作物播种面积、农产品价格、第一产业从业人口、农村用电量、农业化肥施用量、成灾面积、单位面积产量、有效灌溉面积，并在此基础上提出意见和措施。

Howerver, in Jiangxi, a large area of winter fallow land still exists, winter agricultural resources have not been fully utilized, the yield per unit area is very low, winter agriculture becomes a wea...

然而，江西目前尚存在大量冬闲田，冬季资源未得到充分利用，冬作单产低、效益差，冬季农业已成为江西农业中的一个薄弱环节。

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