本文以吉林省西部大安市为例，研究近20年来我国北方农牧交错带县域农业景观格局的变化情况。
Taken Da 'an city in the west of Jilin Province as a case, this article studies the landscape pattern of a county in the edge of arg-herd in the past 20 years.
县域经济是具有地域特色和功能完备的区域经济。其主体实际上是传统的农业经济和落后的农村经济。
The county economy is a regional economy which has regional characteristic and self-contained function, its main body is the traditional agricultural economy and the unenlightened rural economy.
黑龙江是农业大省，县域经济在全省经济中占有十分重要的地位。
Heilongjiang is a big province in agriculture, and its county-area economy has very important position in its whole economy.
分管工作：负责农业经济、新农村建设、县域经济、经济协作、对口帮扶等工作。
Responsibilities: Responsible for agriculture economy, construction of new countryside, county economy, economic collaboration, and counterpart cooperation.
县域经济活力不断增强，农业基础地位更加巩固。
The vitality of county economy increased steadily, the fundamental role of agriculture was further solidified.
以县域为单元，对河北省不同时段的农业旱灾脆弱度进行了评估。
Taking county as an element the agricultural drought disaster vulnerabilities of Hebei Province in different periods are assessed.
农业经济是欠发达县域经济的重要组成部分。
Agricultural economy has been an essential part of the economy of underdeveloped counties.
中国有众多不发达的农业型县区，农业县以农业产业为县域经济的主体产业。
China has numerous undeveloped agriculture counties, which take agriculture as the body of county economy.
利用该方法对甘肃省81个县域单元的农业资源利用效率进行综合评价，并对综合评价结果进行分级。
The method was used to synthetically evaluate agricultural resources use efficiency of 81 counties in Gansu province, and the results were classified.
利用该方法对甘肃省81个县域单元的农业资源利用效率进行综合评价，并对综合评价结果进行分级。
The method was used to synthetically evaluate agricultural resources use efficiency of 81 counties in Gansu province, and the results were classified.
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