反对者称：“我们已经确定了导弹的种类特征，可是不知道其准确的发射时间”。
"We have certain information about the type and characteristics of the missile. However, we do not have accurate data on the timing of its launch," said the source, who was not identified.
这种类型卫星在执行低轨道攻击任务时，从发射到攻击的共需要不到15分钟的飞行时间。
Total flight time from launch to impact for these types of weapons is usually less than 15 minutes when attacking low orbits.
空间碎片是人类发射空间实体在外空留下的太空垃圾，其造成空间环境污染是一特殊种类的环境污染问题。
Space debris are space rubbishes which were abandoned by human satellite in outer space. Environmental pollution by space debris is a special kind of environmental pollution.
应用推荐