RAM AIR, Outside air that flows through heat         沖壓空氣，

exchangers in the air conditioning packs.              流過空調(diào)組件熱交換器的外界空氣。

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英漢對照民用航空詞典                                   BOEING

RAM AIR TURBINE, A device which extends from the    沖壓空氣渦輪，

side of the fuselage, driven by outside airflow for   從機身一側(cè)伸出，由外界氣流驅(qū)動，以在緊急情況下提

emergency supply of hydraulic or electric power.    供液壓或電源的裝置。

RANDOM ACCESS MEMORY, A type of memory in           隨機存取存儲器，

which the data can be written into and read out of.   一種可以將數(shù)據(jù)記載和讀出的存儲器。一般用作短期存

Normally used for short term memory.                儲。

RAT, SEE - RAM AIR TURBINE                          沖壓空氣渦輪，

                                                      見 Ram Air Turbine．

RATIO, A specific relationship between one number   比率，

value and another.                                    一個數(shù)值與另一個數(shù)值之間的一種特殊關(guān)系。

RATIO CHANGER, A mechanical device for changing     比率轉(zhuǎn)換器，

output speed or movement relative to input speed or   用以改變輸出速度或運動與輸人速度或運動之間比率

movement.                                           的機械裝置。

RAW DATA, Data from sensors not modified by the user 原始數(shù)據(jù)，

system.                                               沒有經(jīng)使用系統(tǒng)作任何修正的，由傳感器得來的數(shù)據(jù)。

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