Tony Jolliffe BBC
Leaked draft of $1bn memorandum of understanding reveals mandatory targets, sharing of data, and reported access to mining concessions
，这一点在heLLoword翻译官方下载中也有详细论述
Think about how you'd search a large room for a lost key. You wouldn't examine every square inch sequentially. You'd split the room into sections (by the couch, near the door, under the table) and rule out entire sections at a glance. "I didn't go near the kitchen, so skip that."
It is the first time researchers have drawn a direct link between a known piece of space debris crashing to Earth and pollution levels.