电视是传播信息的很有效的媒体。
Television is a very efficient medium for spreading information.
阅读是一种深刻而复杂的精神活动，是信息传播的有效手段。
Reading is a deep-going and complex mental activity and an important way of spreading information.
灾害事件发生后，信息的有效传播对于灾害救助意义重大。
After disasters, the effective information transmission plays an important role in the relief.
灾害事件发生后，信息的有效传播对于灾害救助意义重大。
After disasters, the effective information transmission plays an important role in the relief.
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