Receiver is the event manager object for receiving events.

Receiver是事件管理者对象，用于接收事件。

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Publisher is the event manager object for publishing events.

Publisher是事件管理者对象，用于发布事件。

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GetEventManager - Returns a manager object that adds and removes event listeners.

getEventManager—返回添加和删除事件侦听器的管理器对象。

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"No Earth impact is possible, " according to Don Yeomans, manager of the Near-Earth Object Program Office at NASA's Jet Propulsion Laboratory.

CNN: Russian meteor shower causes blast; hundreds injured

"The meteor was probably about the size of an SUV, " said Donald Yeomans, manager of NASA's Near-Earth Object Program Office at the laboratory, in Pasadena, Calif.

WSJ: Meteor Creates a Show, No Apparent Damage