Many phenomena above indicate that traditional agri-food production mode didn't adapt the demand of safe food of modern market.
以上种种现象表明，传统的农产品生产模式已经不适应现代市场对安全农产品的需求。
The results indicate that the flow unsteadiness bring out extra losses, and time lag phenomena are evident in many circumstances.
结果表明流动非定常性产生额外损失，滞回现象存在于叶轮机中。
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