方法：实验在河北北方学院实验中心完成。
METHODS:The experiment was conducted in the experiment center of Hebei North University.
现就职于河北北方学院，任大学日语老师一职。
河北北方学院位于张家口市，是河北省北部唯一具有硕士学位授予权的综合性本科院校。
Hebei north University is located in Zhangjiakou City, Hebei Province with the northern part of the sole right to grant a master's degree in integrated colleges.
河北北方学院位于张家口市，是河北省北部唯一具有硕士学位授予权的综合性本科院校。
Hebei north University is located in Zhangjiakou City, Hebei Province with the northern part of the sole right to grant a master's degree in integrated colleges.
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