Composite systs containing inorganic particles graft-modified by polymer usually have good compatibility with polymer matrix.
包含由高分子聚合物枝接改性的无机粒子通常对聚合物基体有良好的兼容性。
QAM at a fixed point-to-point digital microwave systs in the wider application, it has a very high frequency spectrum utilization.
QAM在固定的点对点数字微波系统中应用较广泛，它具有很高的频谱利用率。
QAM at a fixed point-to-point digital microwave systs in the wider application, it has a very high frequency spectrum utilization.
QAM在固定的点对点数字微波系统中应用较广泛，它具有很高的频谱利用率。
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