实验结果表明，流化床中内加振动对流化床的流化状态有显著的改善作用，内加振动能在流化床中传播，改善了高床层流化床的流化状态。

The results show that interior vibration can improve the fluidization behavior of the fluidized bed with a high bed hold-up significantly due to the vibration wave propagation.

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我需要一张高边的儿童床。

I need a child's bed with high sides.

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后来，当她爬上她的高脚床时，她发现她心爱的旧草帽藏在了她的被子下。

Later, though, when she climbed into her high bed, she found her old beloved straw hat hidden under her cover.

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