凯夫拉纤维的外面是涂铝织物和泡沫的交替层，它可以吸收并分散微小陨石体的撞击，施耐德博士说这种交替层设计可以比金属结构提供更好的保护。
Outside the straps, alternating layers of aluminized fabric and foam absorb and disperse the impacts of micrometeoroids, providing better protection than metal structures, Dr. Schneider said.
借助动态热机械分析仪(DMA Q 800)对交替层合各向异性阻尼结构阻尼性能的影响权重最大层的各参数进行优化实验研究。
Experimental study on parameter optimization of the maximal influencing factor layer of alternately laminated anisotropic damped structures was carried out with dynamic mechanical analyzer (DMA Q800).
超晶格涂层是纳米尺度下两种不同层以超晶格周期层间交替形成的多层结构，层间厚度在5—10纳米。
The superlattice coatings are an alternate multilayer structure under nanometer scale. The period thickness is 5-10 nanometer.
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