“中国通过大力发展特色农业、推动农产品深加工、持续提升农产品附加值，显著提高了农业效益和农民收入。”古巴哈瓦那大学国际经济研究中心资深研究员路易斯·费尔南德斯表示。
2026-02-27 00:00:00:0周珊珊3014251010http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142510.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142510.html11921 一针一线织出锦绣山河（人民论坛）
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The change to agar was a marked improvement. The jelly is so effective that it is still an invariable ingredient in what is known today as the “Koch’s plating technique” or the “culture plating method.” As Koch himself noted in 1909: “These new methods proved so helpful…that one could regard them as the keys for the further investigation of microorganisms…Discoveries fell into our laps like ripe fruits.”
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