POSITIVE AND NEGATIVE什么意思

Peripheral Neuropathy周围神经病,外周神经病 North Pole北极 Proportional Navigation比例导航 Pseudo-Noisen. 伪噪声 Personal Number個人隨身碼 POSITIVE AND NEGATIVE正，负电荷 Petri Net皮特里网 Peanutn. 花生 Partit Nazzjonalista (Nationalist Party, Malta)Partit Nazzjonalista(国民党,马耳他) Polska Norma (Polish: Polish Standard)诺玛(波兰:抛光质量标准) Personal Needs个人需求 Phase Noise (communication systems)相位噪声(通信系统) Partido Nacional (Spanish: National Party)Partido Nacional(西班牙语:国家政党) Practical Nurse实习护士,有实践经验的护士 Part Numbern. 零件号码