station.

NONVOLATILE MEMORY, A type of memory which            永久性存儲器，

does not lose its contents when power is removed.       在失去動力或電力時不會失去記憶內(nèi)容的存儲器。

NOR GATE, An OR gate followed by an inverter to form  或非門，

a binary circuit in which the output is logic 0 if any of the 在或門后面緊跟著一個反向器的二進(jìn)制電路。當(dāng)任何一

inputs is logic 1.                                    個輸人為邏輯1時，輸出為邏輯0。

NOSE CONE, A device on the front of the engine that   進(jìn)氣整流錐，

guides airflow to the primary airflow path of the engine. 一個位于在發(fā)動機(jī)前端，用于引導(dǎo)氣流通過發(fā)動機(jī)的主

                                                      氣流通道的裝置。

NOSE COWL, Front section of the nacelle for air inlet to 前整流罩，

the engine.                                             引導(dǎo)空氣進(jìn)人發(fā)動機(jī)的短艙前段。

NOSE DOME, Front section of the engine for            頭部整流罩，

streamlining and directing airflow to the compressor.   用以整流并引導(dǎo)氣流進(jìn)人壓氣機(jī)的發(fā)動機(jī)前段。

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英漢對照民用航空詞典                                   BOEING

NOSE GEAR, The front wheels with the attachments for 前起落架，

supporting the airplane on the ground.                用以在地面支撐飛機(jī)的前輪及其附件。

NOT, A binary circuit with a single output that is always 非門，

opposite of the single input. Also called an inverter. 帶有始終與單一輸人相反的單一輸出。也稱作反向器。

NOTCH, An indention that has the shape of a "V".    凹槽，

                                                      一個“V”字形的缺口。

NOZZLE, A shaped device for directing flow in a duct. 噴嘴，

                                                      引導(dǎo)管道內(nèi)流動方向的具有特別形狀的裝置。