作者在尚无新系统资料的情况下，通过实际摸索解决了这一简化问题，并给出了简化后的系统清单和有关数据。
The author without any new system reference, through practical exercises solves the problem of simplification and offers the simplified system inventory and related data.
作者在尚无新系统资料的情况下，通过实际摸索解决了这一简化问题，并给出了简化后的系统清单和有关数据。
The author without any new system reference, through practical exercises solves the problem of simplification and offers the simplified system inventory and related data.
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