The addition of PS can reduce the dielectric constant of glass-ceramic substrate materials effectively, but reduce the flexural strength at the same time.
在玻璃陶瓷基板材料中加入PS有机球能有效地降低基板的介电常数，但同时影响基板的抗折强度。
Positronium Time of Flight Spectroscopy (Ps-TOF) represents the properties about the pore size, direction and inner-connection in materials.
正电子素飞行时间谱能够无损地给出材料开孔的尺寸、方向、以及内部连通性等性质。
Polystyrene (PS) is important materials used as ICF (Inertial Confinement Fusion) target materials.
聚苯乙烯（PS）是ICF实验中重要的靶丸材料。
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