Zhu Tao with the Civil Aviation Administration of China says the investigation is difficult as the aircraft was severely damaged.

中国民航局的朱涛表示，由于飞机损毁严重，调查难度很大。

Hail can damage aircraft, homes and cars, and can be deadly to livestock and people.

冰雹会损坏飞机、房屋和汽车， 对牲畜和人来说可能是致命的。

What that is, is the fastest speed that you can fly, have full deflection of your control surfaces, and not structurally damage the aircraft.

那是你能飞行的最快速度，控制面完全偏转的同时不会损坏飞机的结构。

The very low temperatures also affected the proximity fuses on missiles, and made it unlikely that it would detonate in time to damage the aircraft.

极低的温度也影响了导弹上的近炸引信，使其不太可能及时引爆以损坏飞机。