议会私人秘书 (全写为Parliamentary Private Secretary,协助各大臣工作的议员)
PPS的复数
the thermal degradation of poly ( phenylene sulfide sulfone) ( ppss) was studied by thermogravimetric analysis in both nitrogen and air to determine the thermal lifetime.
采用热分析的方法对高性能材料聚苯硫醚砜(PPSS)在氮气气氛和空气气氛中的热老化寿命进行了研究。
Constant-amplitude polynomial-phase signals ( PPSs) are characterized by their phase polynomial coefficients.
恒定幅度的多项式相位信号(PPS)由其相位多项式系数表征。
the teacher explained how ppss public packet switching service works.
老师解释了公共分组交换服务的工作原理。
ppss personal personality searching system
个人优势特质探索系统
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