conditioning system.

PARTICLE, A very small piece of any substance or      微粒，

physical matter.                                        任何物質或實體非常細小的一部份。

PASSENGER ADDRESS SYSTEM, A system which              旅客廣播系統，

provides flight crew and attendant announcements,       能使機組人員向客艙進行廣播、播放音樂和發出諧音信

boarding music, and chime signals to the passenger    號的系統。

cabin.

PASSENGER ENTERTAINMENT SYSTEM, A system              旅客娛樂系統，

which can provide audio and/or video entertainment to     向旅客提供音頻和／或視頻娛樂服務的系統。

the passengers.

PAYLOAD, That which is carried to the destination,    業載，

such as passengers, cargo, or mail.                     由飛機送往目的地的載重，如乘客、貨物或郵件。

PCA, SEE - POWER CONTROL ACTUATOR                     動力控制作動筒，

                                                          見 Power Control Actuator.

PCU, SEE - POWER CONTROL UNIT                         動力控制組件，

                                                          見 Power Control Unit．

PDCS, SEE - PERFORMANCE DATA COMPUTER                 性能數據計算機系統，

SYSTEM                                                    見 Performance Data Computer System．

                                     TECHNICAL DICTIONARY                                   111

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英漢對照民用航空詞典                                      BOEING