compared with involution which lays particularly emphasis on economic process, especially agricultural economic process, lewis model lays stress on describing consequent phenomena.

1、

it's academically meaningful for drawing up the policy in reform and management of countryside.

研究乡村社会内卷化生成结构对于制定符合农村实际的改革和管理政策，对于构建和谐农村，具有重大学术价值。

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2、

the shaping construction of evolution in rural society

乡村社会内卷化的生成结构研究

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3、

the application of bp network to modeling a nonlinear oil-damping shock absorber

BP网络在非线性油阻尼减振器建模中的应用

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4、

design for return oil damping of height - regulating hydraulic system

调高液压系统回油阻尼设计

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5、

the experimental study of the characteristics of oil damping

振冲隔离器油阻尼特性的试验建模研究

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6、

computerized simulation on damping characteristics of an oil-damping shock absorber

油阻尼减振器阻尼特性计算机仿真研究

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7、

an analytical model of mountain wave drag for wind profiles with shear and curvature.

有切变和曲率风廓线的山地波阻力的分析模式。

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8、

saturation measurements of reservoir physical model with micro-probes

应用微型探针测量油藏物理模拟饱和度变化

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9、

cross, self and opening pollination were conducted in the green house, the subsidiary pollination by insects was carried out outdoors.

在温室大棚设施栽培条件下开展杂交、自交、自由授粉，野外昆虫辅助授粉。

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10、

preparation of nicotinic acid from 3-methyl pyridine

3-甲基吡啶空气气相氧化制备烟酸的研究

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11、

market situation and developmentsuggestion of 3-methyl pyridine

3-甲基吡啶的市场状况与发展建议

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12、

study on interaction between human albumin and 3-amino methyl pyridine

人白蛋白与3-氨甲基吡啶相互作用的研究

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13、

objective to study the interaction between human albumin and the affinity ligand 3-amino methyl pyridine.

目的研究人白蛋白与3-氨甲基吡啶（潜在的亲和配体）之间的相互作用规律。

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14、

this paper reviewed the normal processes of synthesizing 2, 3-dichloro-5-trifluoro- methyl pyridine, and valued each process.

综述了2,3-二氯-5-三氟甲基吡啶的常用合成路线，并对各条合成路线作了比较和评价。

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15、

the invention discloses a 2-ammonia methyl-pyridine nickel composition, a preparation method and the application thereof.

本发明公开了一种2-氨甲基吡啶镍配合物及其制备方法和应用。

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16、

application of contrast method in electric machine teaching

对比式教学法在电机教学中的应用

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17、

numerical control insulating machine teaching algorithms

数控包带机示教算法

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18、

the research of the machine teaching material developments in the middling vocational education

中等职业教育机械类专业教材建设研究

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19、

in late 1950s, the pla submitted requirements for a light tank more suitable for operations in china's southern region.

1950年代后期，中国人民解放军提出研制一种轻型坦克，以应付中国南部的恶劣路况。

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20、

luzon, 1942: imperial japanese infantry accompany a type 95 light tank, in pursuit of the retreating allied forces.

吕宋岛，1942年一辆95式轻坦克领着小日本步兵追逐正在撤退的盟军。

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