在线请愿对于要在最后期限前，从活动利益出发正动员人们发表意见的活动尤其有用。
Online petitions are particularly useful if you are mobilizing opinion on behalf of a cause while on a deadline.
FCC的决定受到多家电视台的反对(PDF版的请愿书)，他们担心空闲频道的使用可能会干扰电视信号以及使用了相同波段的在线歌手。
FCC's decision was contested by the TV broadcasters (Petition as PDF) who fear using the freed channels would interfered with TV signals and live singers who are using the same wave Spaces.
FCC的决定受到多家电视台的反对(PDF版的请愿书)，他们担心空闲频道的使用可能会干扰电视信号以及使用了相同波段的在线歌手。
FCC's decision was contested by the TV broadcasters (Petition as PDF) who fear using the freed channels would interfered with TV signals and live singers who are using the same wave Spaces.
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