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The reasonable setting of margin system is to make sure index futures transaction in efficient and safe operation.
保证金制度的合理设定是确保股指期货交易高效和安全进行的保证。
The futures brokerage firms, which assume the main futures transaction risks, are in the important chain of risk control system.
而期货经纪公司作为风险的主要承担者，在风险控制体系中处于重要地位。
Article80unless approved by the competent authority a leverage transaction merchant shall not engage in futures transaction business.
第80条杠杆交易商非经主管机关核准，不得经营期货交易业务。
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