VFR
词形变化
VFRs
复数
VFRs
释义与例句
n.
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1.
Initialism of visual flight rules, a set of rules allowing a pilot to fly and navigate by sight references, rather than by relying on instruments.
不可数 航空 商务 工程 可数 -
2.
Initialism of (a person) visiting friends and relatives/relations.
可数 不可数 航空 商务 工程The airline's business travel went up six percent, but VFR went up nine percent.
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3.
Initialism of variable frame rate.
可数 不可数 媒体