如果将属性声明为private并试图从类范围外部访问它(如清单7所示)，PHP引擎将抛出致命错误。
If you declare your properties private and attempt to access them from outside the class 'scope (as shown in Listing 7), the PHP engine will throw a fatal error.
美国有线电视新闻网的空中旅行专家理查得·卡斯特说这架双引擎飞机，有一个坚定的跨大西洋航线，并有着近乎完美的安全飞行记录，只是在1994年的一次飞行训练出现过致命事故。
CNN air travel expert Richard Quest said the twin-engine plane, a stalwart of transatlantic routes, had an impeccable safety record, with only one fatal incident involving a training flight in 1994.
引擎容量较大的摩托车、与重型车辆的碰撞、两车相向对撞等更容易引起致命的后果。
A fatal outcome was more likely to be associated with a larger engine capacity motorcycle, collision with a heavy vehicle, head on collision, and collision at a non-junction road.
飞机坠毁的可能原因包括发生某种爆炸，飞机引擎致命的故障，极端的气流，或者飞行员的失误或者自杀。
Possible causes of the crash included somesort of explosion, a catastrophic failure of the plane's engines, extremeturbulence, or pilot error or even suicide.
在一次几乎是严重撞击的降落中，飞碟砰然停止，引擎受到了致命的毁坏，但是所有人员幸免于难。
After a heavy, almost crashing landing, the saucer slammed to a stop, damaging irreparably its drives, but saving the crew.
在一次几乎是严重撞击的降落中，飞碟砰然停止，引擎受到了致命的毁坏，但是所有人员幸免于难。
After a heavy, almost crashing landing, the saucer slammed to a stop, damaging irreparably its drives, but saving the crew.
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