There are two ways to build a composite POJO at your service layer.

有两种方式在服务层构建组合POJO。

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The invention discloses a two-layer solid sculptured composite floor and a manufacturing method thereof.

本发明公开了一种二层实木浮雕复合地板及其制作方法。

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Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.

频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。

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