金融机构成为会员，大概是因为它们直接参与交易结算过程。
The financial institutions are members presumably because they are directly involved in the settlement process underlying the trades.
但我国使用结算会员制却存在制度上的约束，交易编码制度直接限制了结算会员制的应用。
However, there are institutional constraints when the clearing member system is introduced in our country, since the transaction coding system directly limits the application of clearing membership.
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