aircraft in relation to the moving air. The true airspeed is 飛機(jī)相對(duì)于流動(dòng)中的大氣的實(shí)際速度。由指示空速經(jīng)過(guò)

equal to the indicated airspeed corrected for position  位置、壓力和溫度校正而得。

error, compressibility, and temperature effects.

TRUTH TABLE, in digital logic, a table which describes  真值表，

a logic function by listing all possible combinations of  數(shù)學(xué)邏輯中用來(lái)表達(dá)邏輯函數(shù)的表。該表列出了所有可

input values and shows the output value for each input  能的輸人組合，和每個(gè)輸人組合所產(chǎn)生的輸出值。

combination.

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英漢對(duì)照民用航空詞典                                       BOEING

TURBINE, A rotating part of an engine which extracts     渦輪，

kinetic energy from the combustion chamber gases.          發(fā)動(dòng)機(jī)內(nèi)，從燃燒過(guò)的高溫高壓氣體中擷取動(dòng)能的轉(zhuǎn)動(dòng)

This energy is converted to turbine rotation which       部份。該動(dòng)能使渦輪轉(zhuǎn)動(dòng)，渦輪則經(jīng)由同心軸帶動(dòng)壓氣機(jī)

rotates the compressors and fan through a coaxial        和風(fēng)扇。

shaft.

TURBINE CASE COOLING, A method of cooling the            渦輪機(jī)匣冷卻，

engine by using fan air. This cooling process is used to   用風(fēng)扇空氣冷卻發(fā)動(dòng)機(jī)的一種方法。該冷卻過(guò)程被用于

increase engine efficiency.                              提高發(fā)動(dòng)機(jī)效率。

TURBOFAN,                                                渦輪風(fēng)扇，

    (1). A jet engine in which the first set of blades is a （1）．第一組葉片構(gòu)成一個(gè)大風(fēng)扇的噴氣發(fā)動(dòng)機(jī)。

         large fan.

    (2). An air driven fan/compressor used in air           （2）．空調(diào)系統(tǒng)內(nèi)的由空氣驅(qū)動(dòng)的渦輪和壓氣機(jī)組合。

        conditioning system.

TURBULENCE, The movement or shaking of an                顛簸，

airplane caused by unstable air masses.                    由不穩(wěn)定的空氣團(tuán)造成的飛機(jī)運(yùn)動(dòng)或抖動(dòng)。

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