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TRANSFORMER
M
M
MACH NUMBER, The ratio of the aircra
低空無線電高度表，
一種測量飛機(jī)至地形的垂直距離
遠(yuǎn)程巡航速度，
度
低
見 Low Range ．
線可換件，
見 Line Replaceable Unit
航
．
用于減輕運(yùn)動物體之間產(chǎn)生的磨擦的物質(zhì)。它可以是天
的或人工制造的原料。
見 Linear Variable Differential Transformer
潤滑劑，
然
線性可變差動變壓器，
．
均氣動弦，
見 Mean Aerodynamic Chord
平
．
空速與該處音速之比。
馬赫數(shù)， 飛機(jī)真
英漢對照民用航空詞典 B OEING
TECHNICAL DICTIONARY 97
MACH TRIM, Correction to airplane attitude (nose up)
during flight at high speed by using the horizontal
tabilizer.
AGNETIC HEADING, The heading of the airplane
lative to magnetic north.
AGNETIC VARIATION (1), The difference between
agnetic and true north.
north.
here is a continuous small change of direction
f lines of magnetic force over the surface of the earth ,
agnetic variation at most locations is not constant over
ng periods of time. Lines of equal magnetic variation
e. (see
tation Declination
s
M
re
M
m
MAGNETIC VARIATION (2), The orientation of a
horizontal magnetic compass with respect to true
Because t
o
m
lo
(isogonics lines) are updated on Jeppesen charts every
five years in accord with worldwide practic
S ).
MAIN ENGINE CONTROL, A component on the engine
ration.
MAIN GEAR, The main wheels with the attachments for
supporting the airplane on the ground.
MAINTENANCE, Work accomplished in support of the
structure and systems of an aircraft. It includes,
inspection, overhaul, repair, preservation and the
replacement of parts.
馬赫配平，
用水平安定面對高速飛行中的飛機(jī)的俯仰姿態(tài)所做的
調(diào)整（機(jī)頭朝上）。
磁航向，
相對于磁北的飛機(jī)航向。
磁差（1），
真北與磁北的差別。
斷的微量改變，磁偏角在長時間內(nèi)多數(shù)是不一致的。每
五年Jeppesen手冊會按照國際慣例校正等磁偏角線（等
差線）。（見基點(diǎn)偏差）
主起落架，
用以在地面支撐飛機(jī)的主輪及其附件。
維修，
在保障飛機(jī)系統(tǒng)和結(jié)構(gòu)時所做的工作。包括檢查，大修，
修理，保養(yǎng)和部件更換。
for controlling fuel flow for starting and engine ope
磁差（2），
相對于真北的水平磁羅盤定位。因?yàn)榈孛娴拇帕�在作
不
磁
主發(fā)動機(jī)控制器， 發(fā)動機(jī)上為發(fā)動機(jī)起動和運(yùn)轉(zhuǎn)控制燃油流量的部件。
英漢對照民用航空詞典 B OEING
TECHNICAL DICTIONARY 98
MANEUVER CAPABILITY, The ability of the aircraft to
ertain load factor.
MANEUVER MARGIN, The amount of residual
aneuver capability present before the onset of buffet.
MANIFOLD, A duct or chamber with several inlets and
outlets for air or fluid distribution.
the
low of
e flight compartment. On specific
ccasions it will provide conditioned air.
omponent by hand.
MANUALS, Books with instructions for proper
maintenance and operation of the airplane systems.
MANUFACTURED RIVET HEAD, The head of a rivet
that was preformed during its manufacture (see upset
perform certain maneuvers up to a c
m
MANIFOLD INTERCONNECT VALVE, A valve in equipment cooling system for providing a normal frecirculated air to th
o
MANUAL OPERATION, Method of operating a
c
head).
MASS, The quantity of matter in a body. It gives the
body weight when it is exposed to gravity.
機(jī)動能力，
飛機(jī)完成裝載系數(shù)達(dá)到一特定值的機(jī)動動作的能力。
機(jī)動性余度，
飛機(jī)在遭遇抖振之前，所剩的操縱能力的大小。
總管，
用以空氣或液體分布的多進(jìn)口和多出口的管道或容器。
總管聯(lián)接活門，
設(shè)備冷卻系統(tǒng)內(nèi)的活門。用于向機(jī)艙提供正常再循環(huán)空
氣。在特殊情況下會供給空調(diào)空氣。
人工操作，
手工操縱部件的方法。
明書。
鉚釘頭，
在鉚釘制造時已定形的鉚釘頭。（見膨徑頭）。
質(zhì)量，
一件物體的物質(zhì)數(shù)量。當(dāng)該物體受到地球引力時質(zhì)量產(chǎn)
生重量。
手冊， 為能正確地維護(hù)和操作飛機(jī)系統(tǒng)而編寫的說
機(jī)械制造的
英漢對照民用航空詞典 B OEING
TECHNICAL DICTIONARY 99
MASS MEMORY, A memory that can store large
amounts of information and hold that information
permanently.
AX CLIMB THRUST (MCT), Maximum engine thrust
ximum engine
rust to be used continuously when one engine is
operative.
EOFF THRUST, Maximum engine thrust to be
used during takeoff.
FF WEIGHT, The maximum take off
weight as permitted structural limits or performance
limits, whichever is lower.
RANGE CRUISE (MRC), Cruise speed
ance
to locate
the Center of Gravity.
主控臺，
控制系統(tǒng)操作方式的裝置或系統(tǒng)。
大爬升推力（MCT），
飛機(jī)爬升期間所能用的最大發(fā)動機(jī)推力。
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英漢對照詞典(29)
