| 单词 | port operations service |
| 释义 | port operations service [`pȯrt ´äp·ǝ`rā·shǝnz ´sǝr·vǝs] COMMUNICATIONS Maritime mobile communications service in or near a port, between coast stations and ship stations, or between ship stations, in which messages are restricted to those relating to the movement and safety of ships and, in an emergency, to the safety of persons. |
| 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。