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2007-11-29 yaclear|2007-11-29 yaclear

南亚语言分布图(pic)(0)

2007-11-29 yaclear|2007-11-29 yaclear

东南中国方言分布示意图(pic)(0)

2007-11-29 yaclear|2007-11-29 yaclear

The Principality of Sealand(西兰公国)(0)

2007-11-29 dseshun|2007-11-29 dseshun

海南历代移民路线与方言分布图(pic)(0)

2007-11-29 yaclear|2007-11-29 yaclear

吴语分片图(pic)(0)

2007-11-29 yaclear|2007-11-29 yaclear

環境史的研究(0)

2007-11-28 yaclear|2007-11-28 yaclear

淮河下游南北运口变迁和城镇兴衰(0)

2007-11-28 yaclear|2007-11-28 yaclear

防雷小常识(0)

2007-11-28 yaclear|2007-11-28 yaclear

农村防雷保护措施要点(0)

2007-11-28 yaclear|2007-11-28 yaclear

防雷减灾科普知识(0)

2007-11-28 yaclear|2007-11-28 yaclear

雷雨云的形成方式(0)

2007-11-28 yaclear|2007-11-28 yaclear

露的形成和消失(0)

2007-11-28 yaclear|2007-11-28 yaclear

雪花的形状(0)

2007-11-28 yaclear|2007-11-28 yaclear

风车之国及其他(0)

2007-11-28 yaclear|2007-11-28 yaclear