| 单词 | north-upward plan position indicator |
| 释义 | north-upward plan position indicator [`nȯrth `ǝp·wǝrd ¦plan pǝ¦zish·ǝn `in·dǝ´kād·ǝr] ENGINEERING A plan position indicator on which north is maintained at the top of the indicator, regardless of the heading of the craft. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。