宁夏农业生态环境的干旱化趋势，要求对现有不合理农业生产模式和旧有观念进行彻底革新。
The arid tendency of agricultural eco environment need to innovate radically existing unreasonable models and outdated ideas of agriculture developing in Ningxia.
依据生命周期评价理论，对包装产品进行综合评价，以探讨生态化包装制造的有效模式。
The package products were synthetically assessed on the basis of the LCA theory. The effective mode of ecological package manufacture was discussed.
依据生命周期评价理论，对包装产品进行综合评价，以探讨生态化包装制造的有效模式。
The package products were synthetically assessed on the basis of the LCA theory. The effective mode of ecological package manufacture was discussed.
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