磨損和維護費用。

ATC, SEE - AIR TRAFFIC CONTROL                         空中交通管制，

                                                         見Air Traffic Control．

                                      TECHNICAL DICTIONARY                                    13

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英漢對照民用航空詞典                                     BOEING

ATE, SEE - AUTOMATIC TEST EQUIPMENT                   自動測試裝置，

                                                        見Automatic Test Equipment．

ATMOSPHERIC PRESSURE, Pressure of air due to the      大氣壓力，

earth's atmosphere, expressed in pounds per square      由于地球周圍的大氣而產生的空氣壓力，以每平方寸多

inch (psi) or inches of mercury (in Hg) or millibars (mB). 少磅（psi）或多少寸高水銀柱（in Hg）或毫巴（mB）來

                                                      表示。

ATTITUDE, The relative orientation of the airplane with 飛機姿態，

respect to pitch, roll, and yaw.                        飛機與俯仰，坡度，和偏航有關的相對方向。

AUDIO CONTROUSELECTOR PANEL, The panel in             音頻選擇面板，

the airplane which controls and selects the routing of  飛機內用來控制和選擇音頻通路的面板。

audio.

AUTOLAND, Automatic landing using the Digital Flight  自動著陸，

Control System.                                         使用數字式飛行操作系統來進行自動著陸。