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.
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针对网络上的两处核心误解，我们做出如下说明：，更多细节参见同城约会
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The Netherlands has the highest share of part‑time workers in the OECD, with almost half of employees working less than full time.