play back基本解释
重新播放； 回放(唱片、磁带等)
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verb
1. reproduce (a recording) on a recorder
e.g. The lawyers played back the conversation to show that their client was innocent
Synonym: replay
1. （录完后）播放，放送（磁带、电影等）
When you play back a tape or film, you listen to the sounds or watch the pictures after recording them.
play back的意思
e.g. He bought an answering machine that plays back his messages when he calls...
他买了一台能在别人打来电话占线时播放他录音留言的电话答录机。
e.g. Ted might benefit from hearing his own voice recorded and played back...
听自己声音的录音回放对特德可能会有帮助。
1. play back的解释
1. 回放：6、 目前市面采用MPEG-4压缩方式的数字监控产品中,有的是运用微软现有的MPEG-4执行档,有的自行编写或采用其它单位(如信息工业策进会、大专院校信息系等)撰写的MPEG-4程序,多未能达成多路实时(Real Time)录像与回放(Play Back)的要求,更难保障图
2. 重新播放：所以整个播放影音的流程就是首先由media object开始播放,接著把媒体串流经由path送至sink,sink会经由音效卡等装置重新播放(play back)影音.
3.
3. 再现：plauenite 钾正长岩 | play back 再现 | plazolite 无色榴石
