each of two regions of intense radiation partly surrounding the earth at heights of several thousand kilometres
范艾伦(辐射)带。
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n. 范艾伦(辐射)带
It was what we now call the Van Allen Belt.
这就是我们现在所说的范艾伦辐射带。
each of two regions of intense radiation partly surrounding the earth at heights of several thousand kilometres
范艾伦(辐射)带。
""