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2019 is the 70 th anniversary of the founding of the people’s Republic of China and the key year for implementing the rural vitalization strategy.Summarizing the great achievements made by agriculture and rural areas in the past 70 years will have an important theoretical value for promoting the modernization of agriculture and rural areas and the strategy of rural revitalization.Under such circumstances,the 10 th member congress and 2019 academic seminar of CAAE was successfully held in Beijing.The key to promote rural revitalization lies in deepening rural reform,focus on the property right system and market-oriented allocation of factors,and establish a system and mechanism of free circulation and equal exchange between urban and rural areas.In order to promote the organic connection between small-scale peasant and the modern agriculture,it is necessary to speed up the development of agriculture social service industry.Finally,it is suggested to adhere to the two-wheel drive of rural revitalizationand new urbanization,promote the effective coverage of rural public services,and improve the rural governance mode of combining autonomy,rules of law and virtue. 相似文献
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基于2012年对在北京地区务工农民工的抽样调查,利用多元有序Logistic回归模型,对不同保障模式与农民工健康状况的相关关系进行分析结果表明,因为各类保障模式受益面都比较窄,农民工保障模式的改善和保障模式种类的增加并不能带来农民工生理和心理健康水平的提升,相反会导致农民工缴费负担的增加,造成更大的工作压力,进而引发生理和心理健康状况的恶化。鉴于此,在推进农民工社会保障制度改革的同时,还应采取切实措施扩大受益面、提高受益程度,如此方能使农民工真正享受到政策红利。 相似文献
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探索一种数据驱动模式下往复式压缩机通用诊断模型。分析往复式压缩机振动的激振源,根据压缩机振动表现出来的平稳信号、冲击信号和非线性动力学特征,提出压缩机运行状态的三种参数群:以振动的时域信号和曲轴转频及其倍频构成的平稳信号特征参数、描述周期脉冲信号的解调信号直方图值参数、多尺度熵(Multi-Scale Entroy,MSE)特征参数;采用PCA方法对上述多维参数群降维优化,得到有效特征向量;采用SVM方法进行模式训练和诊断识别。利用在实验室模拟的故障样本进行建模,对现场的压缩机进行诊断,诊断表明该模型具有较好的实际诊断能力。 相似文献
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