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/v%tk(ə)l spid ndketə/ noun a
flight instrument which indicates the
rate of climb and descent. Abbreviation
VSI
vertical stabiliser vertical stabiliser /v%tk(ə)l
steblazə/ noun same as fin
very high frequency very high frequency /veri ha
frikwənsi/, very high frequency
band /veri ha frikwənsi bnd/
noun the radio frequency range
between 30 MHz and 300 MHz. Abbreviation
VHF
very high frequency omni-directional radio range very high frequency omnidirectional
radio range /veri ha
frikwənsi ɒmnidarekʃən(ə)l
rediəυ rend"/ noun full form of
VOR
vessel vessel /ves(ə)l/ noun a boat or ship

When flying over the sea you must not
fly closer than 500 feet to a vessel.
VFR VFR abbreviation visual flight rules
VHF VHF abbreviation very high frequency
via via /vaə/ preposition by way of
The
flight is from Cairo to Paris via Rome.

After heating, the air passes into the
cabin via a chamber through which
cold air also flows.
vibrate vibrate /va|bret/ verb to move rapidly
and continuously backwards and
forwards
Turbine blades in the average
jet engine vibrate at frequencies of
1 million per minute.
vibration vibration /va|breʃ(ə)n/ noun a
rapid and continuous movement

According to the pilot, engine vibration
was detected in engine number one.
vice versa vice versa /vasə v%sə/ adjective
the other way around  when engine
demand is high, fuel pressure tends to
be low and vice versa when the engine
demand is low, fuel pressure tends to be
high
vicinity vicinity /və|snti/ noun the area
nearby
After an emergency evacuation,
passengers should be directed to
move away from the vicinity of the aircraft
quickly.  in the vicinity of the
airport near the airport
view view /vju/ noun 1. what you are able
to see from a particular place
Cabin
crew must have a clear view of the
aisles from their stations. 2. a picture of
something presented in a particular way

a cross-sectional view of an aerofoil
3. a personal opinion
He expressed
strong views on the subject of airport
security. 4.  with a view to with the
intention of
She wrote the report with
a view to improving in-flight services. 
in view of because of
In view of the
poor weather conditions, the flight will
be delayed.
violate violate /vaəlet/ verb 1. to enter
without permission
The aircraft violated
a danger area. 2. to break rules or
247 viz
regulations
By not wearing a cap, the
cadet is violating the dress code.
violent violent /vaələnt/ adjective with
great force
Flying through atmospheric
dust causes the airframe to build
up a static electrical charge and the
associated discharges can be violent.
VIP VIP abbreviation very important person
virtually virtually /v%tʃuəli/ adverb almost

Resistance to alternating current
remains virtually constant and is independent
of frequency.
viscosity viscosity /v|skɒsti/ noun a liquid’s
internal resistance to flowing
Excessive
oil temperatures are dangerous, as
the oil viscosity is reduced and inadequate
bearing lubrication results.
visibility visibility /vz|blti/ noun the ability
to see unlighted objects by day and
lighted objects by night, subject to
atmospheric conditions
Measurement
of visibility by day is made by direct
observation of objects at known distances
and is therefore an estimated
value.  poor visibility a situation in
which things cannot be seen clearly, e.g.
because of fog, mist or smoke
visibility-by-day values visibility-by-day values
/vzəblti ba de vljuz/ noun
values which indicate how easily seen
an object is in a horizontal line from an
observer in daylight conditions
visible visible /vzb(ə)l/ adjective that can
be seen
When the undercarriage is
selected down it may be visible from the
crew compartment, but it is not usually
possible to tell if it is securely locked.

If the sun is seen through cumulus cloud
it will be clearly visible.
vision vision /v"(ə)n/ noun 1. the power of
　
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本文鏈接地址：Dictionary of Aviation下(103)