| 单词 | balloon ceiling |
| 释义 | balloon ceiling [bǝ`lün ´sēl·iŋ] METEOROLOGY The ceiling classification applied when the ceiling height is determined by timing the ascent and disappearance of a ceiling balloon or pilot balloon in United States weather observing practice. |
| 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。