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																				                                               SONG Lian-Chun, HAN Yong-Xiang, SUN Guo-Wu. The Arid Climate Variable Characteristics and Its Influence on Production Structure in the Central Asia and Northwest of China[J]. J4, 2003, 21(3): 43-47.
																																																					 宋连春, 韩永翔, 孙国武. 中亚和中国西北干旱气候变化特征及其对产业结构的影响[J]. J4, 2003, 21(3): 43-47.