It improves the data transport rate and decreases the possibility of network congestion.

组播传输提高了数据传送效率，减少了网络出现拥塞的可能性。

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It improves the data transport rate and decreases the possibility of network congestion.

组播传输提高了数据传送效率，减少了网络出现拥塞的可能性。

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