求翻译：6月30日为校园乐队选拔赛决赛，戴佩妮的到来明显大幅拉动了客流，达到34.3k。因采取了与活动相配合的促销刺激，当日客流和和销售均双倍与去年同期。是什么意思？

June 30 campus band trials finals, Penny's arrival obviously substantial boost passenger traffic reached 34.3k. Taken promotions to stimulate mating and activities, the date of the passenger traffic and sales were double the same period last year.

On 30 June, the campus band, and the final selection of Anne Perry has come a significant pull a passenger to 34.3 k. With the campaign for the promotion to coincide with the passenger traffic at the date on which stimulate, and sales have doubled and with the same period last year.

On June 30 for the campus orchestra trials finals, Dai Peini's arrival obvious has drawn the passenger flow largely, achieves 34.3k.Because has adopted the promotion stimulation which coordinates with the activity, same day passenger flow and with sale double and same time last year.

June 30 as the campus band contest finals, Penne Dai's arrival was a clear sharp pull flow up to 34.3k. Due to tie promotions and activities to stimulate, passenger traffic and sales were double the same period last year on the same day.

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