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本文根据模糊数学中的模糊相似优先比原理对内蒙古中部１９个旗（县、市）黄花杨引种手的气候适宜性进行分析。初步认为：托克托县、和林格尔县、固阳县、察哈尔右翼前旗、丰镇县为最适宜引种区；土默特左旗、东胜市、呼和浩特市、清水河县、卓资县、达拉特旗、集宁市、准格尔旗、察哈尔右翼后旗为适宜性中等引种区；武川县、包头市、四子王旗、察哈尔右翼中旗、达尔罕茂明安联合旗为适宜性较差引种区。
In this paper, according to the principle of fuzzy similarity priority in fuzzy mathematics, the climatic suitability of the introduced hands of 19 flag (county, city) Populus davidiana in central Inner Mongolia was analyzed. Initially that: Tuoketuo County, and Linger County, Guyang County, Chahar right wing front flag, Fengzhen County for the most appropriate introduction of the region; Tumotezuoqi, Dongsheng City, Hohhot, Qingshuihe County , Zhuozi County, Dalate Banner, Jining City, Zhungeer Banner and Chahaer Right Wing Banner are suitable medium-sized introductory zones; Wuchuan County, Baotou City, Siziwang Banner, Chahar Right Wing Middle Banner, Darhan Momen An Union flag is less suitable for the introduction of the district.