Twitchange是一项为期10天的拍卖活动，本次活动由eBay承办，网友可以通过eBay的在线拍卖系统Kompolt进行竞拍，拍卖已于上周末结束。 参加本次拍卖的有著名演员、音乐家和体育明星等100多位社会名流，每个人都可以对他们自愿提供的推文喊价，价高者得。
Twitchange was a 10-day auction that ended last weekend where anyone could bid on more than 100 famous actors, musicians and sports stars volunteering their tweets.
该系统提供了增强的互操作能力，能与其他AWACS平台如战斗机、地面站、舰船和卫星等进行互操作。
The system offers increased interoperability with other AWACS platforms as well as with fighter aircraft, ground stations, ships and satellites.
分析结果表明，系统引入的噪声随着所观测恒星星等的增加而增加。
The result illustrates that the noise error increases with the increase of the magnitude of the star.
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