The attempts had demonstrated potential and clearly pointed to a possible sustainable evolution of the cropping system.
这些努力显示了良好的发展潜力,并且明确预示着耕作制度向着可持续性方向的演进。
With the theory of unbalanced system, it analyses sustainable evolution pattern and realization path of ocean economic complex system.
运用非平衡系统理论,分析了海洋经济复合系统持续性演化模式及实现的途径。
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