The structure of the index tree decides the average index number to be visited, but even regarding the same index structure, the average visit time is different if the broadcast sequence is different.

索引树的结构决定了平均访问索引节点的数目，但是即使对于相同的索引结构，如果采用不同的广播序列，则平均访问时间也不尽相同。

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To reduce the average access time of queries and provide maximal requests, a novel scheduling strategy for multi-item broadcast is proposed.

为减少用户的平均访问时间和响应最多事务请求，提出了一种新的多数据项广播调度策略。

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The mobile client may selectively to intercept the channel by the index broadcast, the average cost can be reduced through the establishment base on the data accessing probability of the index tree.

采用索引广播的方式可以使移动设备选择性地侦听信道，通过建立基于数据访问概率的索引树，以降低平均访问代价。

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With the above, an average viewer can watch free broadcast content with high quality picture and still potentially save money compared to average pay-TV subscription service.

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With eight series between them (both Berlanti and Rhimes have more than one), the cadre of ABC show-runners--someone that serves as both a writer and executive producer on a show--rounded out the most recent broadcast season with average audiences between 7.2 million and 17.3 million, according to Nielsen Media Research.

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They now calculate average concurrent viewers, peak concurrent viewers and total broadcast time for every stream.

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