“variable ceiling”的概念、定义、翻译、参考文献-科学参考

单词	variable ceiling
释义	variable ceiling [`ver·ē·ǝ·bǝl `sēl·iŋ] ^METEOROLOGY After United States weather-observing practice, a condition in which the ceiling rapidly increases and decreases while the ceiling observation is being made; the average of the observed values is used as the reported ceiling, and it is reported only for ceilings of less than 3000 feet (914 meters).
随便看	shot point shot rock shotting shot tongs shoulder shoulder blade shoulder-elbow height shoulder girdle shoulder guard shoulder-hand syndrome shoulder harness shoulder screw shoulder stock shoulder weapon shoved moraine shovel shovel dozer shovel loader Showalter stability index show-card color shower shower meteor shower unit show-through Shpol'skii effect

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