The result showed that there was obvious gradient in the distribution of the hardness and microstructure of the composite layer.
研究结果表明，复合材料层的硬度及显微组织分布均存在明显的梯度。
Composite layer board model is adopted to analyse functionally gradient materials cantilever board.
采用复合材料层合板模型，对梯度功能材料悬臂板进行了分析。
Hydroxyapatite composite coatings were classified into three kinds according to their feature, i. e. single layer composite coating, double layer composite coating and gradient composite coating.
将羟基磷灰石复合涂层按照特征分为三类，即单层复合涂层、双层复合涂层和梯度复合涂层。
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