Another source of bright drifting objects, Iridium communication satellites, may even appear to flare up to become brighter than any other sky object for a few seconds.
铱星通讯卫星是另一个发光漂移物的可能来源,它可能突然闪耀几秒钟,甚至看起来变得比天空中的其它物体都要亮。
An unmanned free balloon shall refer to a freely drifting inflatable object which is driven with no power, is piloted by nobody, is lighter than air, and whose gross mass is more than 4 kilograms.
无人驾驶自由气球,是指无动力驱动、无人操纵、轻于空气、总质量大于4千克自由漂移的充气物体。
The top three causes of the accidental injury are: road accident injury (43.4%), drifting-down injury (31.7%) and the bruise injury caused by heavy object (12.8%).
造成意外伤害的原因前三位是交通伤(43.4%)、跌落伤(31.7%)、重物砸伤(12.8%)。
The top three causes of the accidental injury are: road accident injury (43.4%), drifting-down injury (31.7%) and the bruise injury caused by heavy object (12.8%).
造成意外伤害的原因前三位是交通伤(43.4%)、跌落伤(31.7%)、重物砸伤(12.8%)。
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