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| Subject | English | Japanese |
| gen. | n Japan Power Demonstration Reactor | ＪＰＤＲ |
| gen. | n nuclear power station | ＮＰＳ |
| radio | power flux density | 放射束密度 |
| antenn., opt. | power flux density | 放射照度 |
| comp. | n power flux density | 電力束密度 |
| comp., MS | Power Options | 電源オプション (A Control Panel icon in Windows Vista that takes user to the Power Options dialog box where the user can manage the battery life settings) |
| gen. | n Systems for Nuclear Auxiliary Power | ＳＮＡＰ |
| gen. | n the intensity or illuminating power of light | 光力 (こうりょく) |
| gen. | Tokyo Electric Power Company | ＴＥＰＣＯ |
| el.tract. | train power supply jumper | 列車補助電源ジャンパ連結器 |