ESDS, SEE - ELECTROSTATIC DISCHARGE                     静电放电敏感件，

SENSITIVE DEVICES                                          见 Electrostatic Discharge Sensitive Devices．

ESTIMATED TIME OF ARRIVAL, For IFR flights, the         预计到达时间，

time at which it is estimated that the aircraft will arrive 对于使用仪表飞行规则的航班，是飞机到达指定点上空

over that designated point, defined by reference to      的估计时间。它由参照仪表进近程序起始导航台而决定。

navigation aids from which it is intended that an       若机场没有相应导航设备，则是飞机到达机场上空的时

instrument approach procedure will be commenced,or, if   间。对于以目视飞行规则飞行的飞机， 飞机将到达机场

                                                                                            是

no navigation aid is associated with the aerodrome, the 上空的估计时间。

time at which the aircraft will arrive over the aerodrome.

For VFR flights, the time at which it is estimated that the

aircraft will arrive over the aerodrome.

EUTECTIC SOLDER, An alloy with very low melting          易熔焊料，

point which permits automatic fire extinguisher            一种低熔点的合金，可使厕所内的灭火器遇火时自动

discharge in the lavatory.                              启用。

EVAPORATION, The changing of a solid or liquid into a   蒸发，

vapor. A thermal caused activity.                          由于温度的改变使固体或液体挥发而变成蒸汽的过程。

EXCEEDANCE, Any condition that occurs when a            超值，

system goes beyond its operating limits.                   当一个系统超出操作极限时出现的情况。

EXCITATION, Supply of electric current to the field     励磁，

windings of a generator to produce a magnetic field.       供电给发电机的磁场绕组以产生一个磁场。

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