应用社会经济统计学原理，研究了安全经济统计的对象和方法。
By means of social economy statistics theory, objects and methods of safety economy statistics are studied.
我学过的课程有市场营销、商业法、商业英语、统计学、市场原理、销售管理、销售原理、经济学和心理学。
The courses I completed are marketing, business law, business English, statistics, marketing principles, sales management, distribution theory, economies and psychology.
我修过的课程有：市场营销、商业法、商务% 英语、统计学、营销原理、销售管理、商品配销理论，经济学和心理学。
Thee courses I completed are marketing, business law, business English, statistics, marketing principles, sales management, distribution theory, economics and psychology.
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