SCRATCH PAD, An area on the FMCS control display      草稿栏，

unit used for showing characters activated by the        FMCS显示器上的一个区域，用于显示由宇母—数字键

alphanumeric keys.                                    盘激发的字符。

SCSI, SEE - SMALL COMPUTER SYSTEM                     小型计算机系统接口，

INTERFACE                                               见Small Computer System Interface．

SCUPPER, A shallow receptacle around a filler neck of 放泄孔，

a liquid tank to catch any overflow or spillage from the 液体箱的加注咀边所装置的小型容器，用于接取勤务过

servicing operation. The scupper is normally fitted with a 程中任何溢流的液体。一般都装有通向机舱外的排泄管

drain overboard.                                      道。

SEA LEVEL, The standard datum plane from which        海平面，

altitude is measured.                                   用作高度测量基准的标准平面。

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英汉对照民用航空词典                                      BOEING

SEA LEVEL STATIC THRUST, Maximum rated power           海平面静推力，

produced by a stationary jet engine during ambient       在海平面环境状态（大气温度、压力）下，一台固定住

conditions at sea level.                               的喷气发动机所产生的最大推力。

SEAL, A component between two surfaces for             封严，

preventing air or fluid leakage.                         在两表面间防止空气或液体泄漏的元件。

SECTOR, A given distance between two checkpoints in    航段，

the flight plan.                                         飞行计划中，两个检查点之间的已知距离。