The area being talked about is very heavily congested with pigeons because the raptor problem became so great elsewhere that RACES have moved to east England.
出事区域有大量赛鸽，因为在其他地区肉食鸟的问题非常严重，所以比赛搬到了英格兰东部举行。
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The invention improves implementing UE access network in area covered by multiple access technique to prevent UE from accessing congested network, and optimize performance of network.