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第四章对先秦鲁北盐业生产的人地互动关系进行了初步的分析。
The last chapter consist of the interactive relationship between people and nature about salt production before Qin Dynasty in north of Shandong Province.
第三章则探讨了先秦鲁北盐业生产的地理背景以及由此形成的地域特色。
The third chapter not only includes geography backgrounds of salt production in the north of Shandong province, but also involves regional characters of salt production.
结果表明:山东省年平均霾日空间分布呈现鲁中、鲁南的部分地区多,鲁北、半岛大部地区少的特点。
The results indicate that the average annual haze days was higher in the middle and south of Shandong Province and lower in the north of Shandong Province and most of the Shandong Peninsula.
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