时间方位舵巧解太阳方位难题
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1000-078x|volume|11|37-38
ISSN: 1000-078x
Source: 地理教学, Vol.volume, Iss.11, 2016-01, pp. : 37-38
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Abstract