求翻译：历史悠久，发展时间长在长期的发展过程中积累了丰富的经验,而其本身也是会展业发展史的见证和象征,有着长期吸引稳定顾客群的能力是什么意思？

A long history of development for a long time in the long process of development has accumulated a wealth of experience and witness of the history of the development itself is a convention and exhibition industry and a symbol of long-term ability to attract a stable customer base

Has a long history, the development time in the long-term process of the development has accumulated a wealth of experience in its own right, and it can show the history of the development, and witness and symbol there is a long-term stable customer base attract the capacity

The history is glorious, the development time long accumulated the rich experience in the long-term developing process, but its itself also is can unfold industry the history testimony and the symbol, has long-term attraction stable customer group ability

Has a long history in development for a long time in the long process of development has accumulated a wealth of experience, which itself is also a witness of the history of exhibition industry and symbols, has long attracted a stable customer base

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