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flight operations
 flight operation
avia. 航空器运行; 航务运行
| group
 group
gen. 圈子; 群体; 小组
comp., MS 群組
hydroel.st. ;
math. 组,类,群
- only individual words found (there may be no translations for some thesaurus entries in the bilingual dictionary)

to phrases
flight operation
avia. 航空器运行; 航务运行
flight operations group: 1 phrase in 1 subject
Aviation1