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Shandong water conservancy
释义
Shandong water conservancy
Encyclopedia
工学
〔地方水利〕
释
Shandong water conservancy
山东水利
山东省是中国东部经济大省,国家粮食主产区。省内西部为黄淮海平原,东部地形地貌具有半岛特征,水资源短缺,经济社会发展与水资源供需矛盾突出。水利事业主要包括水资源开发利用与保护、防汛抗旱、农业节水、城乡供水、水资源管理、水利改革等。
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carrier coordinate system
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carrier extension bits
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carrier frequency
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更新时间:2026/10/4 11:57:07