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HUD  Heads Up Display 平視儀 
HUDC  Head Up Display Computer 平視顯示計(jì)算機(jī) 
HVC  Hardware Visibility Control 硬件可見(jiàn)控制 
HVDC  High Voltage Direct Current 高壓直流電 
HWIC  High-speed Wide Area Network Interface Card 高速?gòu)V域網(wǎng)界面卡 
HYD  Hydraulic 液壓 
HYDIF  Hydraulics Interface Function 液壓界面功能 
Hz  Hertz (frequency/cycles per second) 赫茲 

I&R  Interchangeability & Replaceability 互換性和可換性 
I/O  Input/Output 輸入/輸出 
I/P  Intercept Profile 切入面 
I/P  Input 輸入 
IAE  International Aero Engines 國(guó)際航空發(fā)動(dòng)機(jī)公司 
IAN  Integrated Approach Navigation 集成進(jìn)近導(dǎo)航 
IAS  Indicated Airspeed 指示空速 
IATA  International Air Transport Association 國(guó)際航空運(yùn)輸協(xié)會(huì) 
ICA  Instructions for Continued Airworthiness 持續(xù)適航文件 
ICAO  International Civil Aviation Organization 國(guó)際民航組織 
ICC  Integration Competency Center 整合解決方案支援中心 
ICD  Interface Control Document (Drawing) 界面控制文件 
ICM  Interface Control Model 界面控制模型 
ICR  Integrated Communication Resource 集成通信資源 
ICS  Integrated Control Station 集成控制站 
ICS  Integrated Cooling System 集成冷卻系統(tǒng) 
IDE  Integrated Development Environment 集成開(kāi)發(fā)環(huán)境 
IDENT  Identification, Indentifier, Identity 識(shí)別 
IDG  Integrated Drive Generator 整體驅(qū)動(dòng)發(fā)電機(jī) 
IDL  Interface Defintion Language; Initial Data Load; Initial Data Loader 界面定義語(yǔ)言；初始數(shù)據(jù)裝載；初始數(shù)據(jù)裝載器 
IDN  Isolated Data Network 獨(dú)立數(shù)據(jù)網(wǎng)絡(luò)

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IEEE  Institute of Electrical and Electronics Engineers 美國(guó)電氣和電子工程師協(xié)會(huì) 
IETF  Internet Engineering Task Force 因特網(wǎng)工程任務(wù)推動(dòng)小組 
IFE  In Flight Entertainment 機(jī)上娛樂(lè)