Последние новости
CombinedStorage o-- Storage : contains
，这一点在Line官方版本下载中也有详细论述
// i表示当前要确定第i小的元素位置
In the vacuum of space, the amount of debris—spent rocket stages, splintered satellites, micrometeoroids—numbers in the millions, all zooming about, often at 17,000 mph speeds. They’re also constantly hitting each other in a tsuris of exponential littering. Most of these pieces are tiny, and many are not anywhere near the altitude of the ISS. But the area isn’t completely clean.