单词VFR
abbr.: (=visual flight rules)【航】目视飞航规则
网络: 目视飞行规则(Visual Flight Rules)；变量的帧速率(Variable Frame Rate)
visual flight rules 【航空】目视飞航规则
Night VFR and command instrument ratings (CIR) require you to prove your ability to navigate by instruments only.
夜间目测及信号导航等级则要求仅用仪表装置来证明你导航的能力。
VFR night flight and IFR flight under visual conditions are also said to be possible.
VFR夜间飞行和IFR目视条件下飞行同样也是许可的。
For VFR flights, the time at which it is estimated that the aircraft will arrive over the aerodrome.
对于以目视飞行规则飞行的飞机，是飞机将到达机场上空的估计时间。
Herndon Center: Was waving his wings as he went past the V, the VFR aircraft, they don"t quite know what that means.
赫恩登中心：他在视频区抖动机翼，他们不明白他是什么意思。
VPR pneumatic valve positioner (the VPR Locator) is Yamatake -Honeywell VFR Cam flexure control valve of the special annex.
定位器（略称VPR定位器）是日本山武——霍尼韦尔公司VFR凸轮挠词调治阀的专用附件。
Both FIT and VFR are still a big share of the present China"s outbound tourism composition and besides represent a big influence.
自助游和探亲访友游依旧在中国出境游市场中占有极大地份额，与此同时也对这个市场有着一定的影响力。
So how to promote tourism destination focusing on FIT and VFR travelers?
旅游目的地应该怎样推广自我来迎合自助游客和探亲访友的游客呢？
Minimum safe altitude for VFR flights within aerodrome tower control area
机场塔台管制区域内目视飞行最低安
Minimum en-route safe altitude for VFR flights
航路目视飞行最低安全高度