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The indicator system of ecological security of agricultural sustainable development in the Tongyu County was established,the weight of the indicator was determined by the method of mean square deviation,ecological security of agricultural development of 1985,1990,1995,1998,2001 and 2004 were evaluated by the model of ecological security.

建立了通榆县农业可持续发展的生态安全评价指标体系,采用均方差法确定了评价指标的权重,对研究区1985、1990、1995、1998、2001、2004年6个时段的农业生态安全进行了评价。

As a case study of Tongyu county,Jilin Province,This paper established the indicator system of ecological security on agricultural sustainable development,determined the weight of the indicator by the method of mean square deviation,and evaluated ecological security on agricultural development among 1985, 1990,1995,1998,2001 and 2004 by using the model of ecological security.

以吉林省通榆县为例,构建了县域农业可持续发展的生态安全评价指标体系,采用均方差法确定了评价指标的权重,对研究区1985、1990、1995、1998、2001、2004年6个时段的农业生态安全进行了评价。

The significance of study on regional comparison of the development of agricultural mechanization was analyzed in this paper.

在调查与分析我国各地区农业机械化发展情况的基础上,对农业机械化的发展进行了地区比较研究与综合评价。

The policies and the measures for promoting agricultural mechanization develop in China were recommended in this paper.

农业机械化水平的高低,是国家农业工业化和现代化水平的重要标志。

Based on the current agricultural land circulation conditions,the significance and the main flow pattern is analyzed,and the agricultural land circulation of tobacco is put forward on maintaining a long-term stable land contracted land circulation,insist on the land circulation and mercerization,organic combinat...

笔者通过对当前烟草农业土地流转具备的条件、意义和主要流转模式进行分析,并针对当前烟草农业土地流转出现的问题提出了坚持维护土地承包关系长期稳定、坚持土地流转市场化、坚持土地流转与农民增收有机结合和坚持土地流转多样化等4项原则。

Or'.'' misappropriate the funds for agriculture allocated by people's governments at various levels ''.

任何单位不得截留、挪用各级人民政府拨付用于农业的资金和银行的农业贷款。

The basic principles of this type of rural settlement were mixed farming—growing cereals and vegetables as well as engaging in animal husbandry—a primary orientation toward subsistence production, with marketing of surplus, and most importantly, self-labor.

农村居民的这种定居类型的基本原则是混合农业,在种植谷物与蔬菜的同时也饲养家禽,优先考虑的是保障自给自足,市场交易剩余的,而最为重要的就是自我劳动,希望在东欧犹太人中创建出一个显著的农业工人阶级。

Extensive and monocultural forms of agriculture in the last three centuries.

在工业革命中的作用减弱自给农业,转换成更广泛和单一的农业经营方式,在过去三个世纪。

And the times of pesticides application in traditional rice-fish coculture was 3.4 less than that in rice monoculture ecosystem.

传统稻鱼系统是全球农业重要文化遗产的杰出典范和可持续农业的重要类型。

Multiple cropping system is a special characteristic of agriculture in China, which has crucial function on feeding 22% people of the whole word by 10% cultivate field of the whole world.

中国农业能以占世界 10%的耕地养活世界上 22%的人口,多熟种植起着决定性的作用。复种指数作为耕地耕作能力的主要指标以及气候农业生产模型中的必需变量,一直是基于行政单元的统计,存在较多的问题,不易于评价与研究。

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