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front with a rain belt as wide as 200
miles. 2. a loop of strong material connecting
two pulleys or wheels, one driving
the other
belt-driven belt-driven /belt drv(ə)n/ adjective
(of a wheel) moved by a belt linked
to another wheel which, in turn, is
moved by a motor or an engine
Aircraft
generators are belt-driven or
shaft-driven.
belt-driven generator belt-driven generator /belt
drv(ə)n d"enəretə/ noun a generator
whose pulley is turned by a belt
attached to an engine-driven pulley
bend bend /bend/ noun a curve  verb to
curve from a straight shape (NOTE:
bending – bent)  to bend downwards
to curve down from a horizontal
position  to bend upwards to curve up
from a horizontal position
The wings
support the weight of the aircraft and
they bend upwards in flight.
bending load bending load /bendŋ ləυd/ noun a
load that causes a structure to bend
Bernoulli’s principle Bernoulli’s principle /b%|nuliz
prnsp(ə)l/ noun  lift
beware beware /b|weə/ verb to be careful or
to watch out for
Beware of carburettor
icing.
Beware of other aircraft in the
circuit.
beyond 32
beyond beyond /b|jɒnd/ preposition further
away than
The radio horizon extends
beyond the visible horizon.  it is
beyond his understanding he cannot
understand it at all, it is too difficult for
him to understand
bi- bi- /ba/ prefix 1. two 2. twice
biannual biannual /ba|njuəl/ adjective happening
two times a year  biannual
inspection an inspection done twice
every year
bill bill /bl/ noun US same as note noun 4
bimetallic bimetallic /bame|tlk/ adjective
made of two metals
bimetallic strip bimetallic strip /bametlk
strp/ noun a strip made of two separate
metals with different rates of
expansion, joined together side by side
so that when the strip is heated, it bends
and makes, or breaks, electrical contact

Circuit breakers use a bimetallic strip
as the sensing element.
binary binary /banəri/ adjective referring to
a number system used in computers that
only uses the digits 0 and 1
Logic
gates work with binary data.
Computers
only process binary information.
biplane biplane /baplen/, bi-plane noun an
old aeroplane design with two pairs of
wings, one above the other
Most of the
aircraft used in the 1914–18 war were
biplanes.
bird strike bird strike /b%d strak/ noun a collision
between a bird or birds and an aircraft
that is flying
black box black box /blk bɒks/ noun same
as flight data recorder (NOTE: It is
often called the black box, although it
is not black.)
blade blade /bled/ noun a flattened part of a
propeller or rotor  blade tip the end of
the blade furthest from the centre of
rotation  turbine blade a flat part in a
turbine, which has an aerodynamic
effect on the air
blade angle blade angle /bled ŋ$(ə)l/ noun
the angle between the blade axis and the
axis of rotation
With a variable pitch
propeller, the blade angle may be
changed in flight.
blade slip blade slip /bled slp/ noun a loss of
propulsive power from a propeller
caused by the difference between geometric
and effective pitch
blade twist blade twist /bled twst/ noun 1. a
reduction in propeller blade angle from
root to tip 2. the unwanted variation in
propeller blade pitch from root to tip
caused by aerodynamic loads
blank blank /blŋk/ adjective 1. with nothing
written, printed or drawn on it
a
blank sheet of paper  a blank form a
form without the details filled in 2. (of a
TV, computer or video screen) with
nothing appearing on it
When he
returned to his computer, the screen was
blank.
bleed air bleed air /blid eə/ noun compressed
air from the engine compressor used for
cabin pressurisation or to drive other
services
Bleed air from the right
engine can power items normally powered
by the left engine.
bleed screw bleed screw /blid skru/ noun a
small screw in highest point of a
hydraulic system to allow for the
removal of air or vapour
blind transmission blind transmission /bland trnz|
mʃ(ə)n/ noun a transmission from one
station to another in a situation where
　
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本文鏈接地址：Dictionary of Aviation上(31)