作者在对北京市商品交易市场进行较充分调研基础上，提出北京商品的交易市场体系存在的9大问题。
The author in carries on a fuller investigation and study to the Beijing Commodity Exchange market in the foundation, asks the Beijing Commodity Exchange market system existence 9 major problems.
作者在对北京市商品交易市场进行较充分调研基础上，提出北京商品的交易市场体系存在的9大问题。
The author in carries on a fuller investigation and study to the Beijing Commodity Exchange market in the foundation, asks the Beijing Commodity Exchange market system existence 9 major problems.
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