This means that a broad band pulse that was strong and coherent when it set on its way will be smeared across a time-span of several milliseconds when it is received on Earth. 這就意味著(zhù)本來(lái)在出發(fā)的時(shí)候強烈而一致的寬頻帶信號在到達地球的過(guò)程中會(huì )逐漸地被拖成幾毫秒的長(cháng)度。
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