求翻译：魏丹,迟凤琴,史文娇,等.黑龙江南部黑土区土壤重金属空间分异规律研究 [ J ]. 农业系统科学与综合研究, 2007, 23(1) ∶65—73是什么意思？

Wei Dan, Chi Fung Kam, history, Johnson text, etc. in southern black soil region of Heilongjiang spatial distribution of soil heavy metals in the laws of [J]. System Sciences and Comprehensive Studies in Agriculture, 2007, 23 (1) :65-73

Later, Wei Dan Fengqin, such as history, culture, and Heilongjiang southern kurotsuchi district soil heavy metals . space-research [J ] laws vary agricultural system science . integrated research, 2007, with 23 ( 1 ): 65 - 73

Wei Dan, the late phoenix qin, Shi Wen is tender, and so on. South Heilongjiang black earth area soil heavy metal space differentiation rule research (J). Agricultural systems science and synthetic study, 2007, 23(1) ∶65-73

Wei d, chifengqin, Shi Wenjiao, et al. spatial distribution of soil heavy metals in black soil region in southern Heilongjiang study [j]. Agricultural systems science and comprehensive studies, 2007, 23 (1): 65-73

Wei Dan, the late phoenix's musical instrument, Shi Wenjiao,etc.. Black earth soil heavy metal space differentiation law of the district of the south of Heilongjiang studies [J ]. The agricultural systematic science and comprehensive research, 2007, 23 (1): 65-73