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Earth and Space Sciences · 术语表

什么是 Occurrence rate?

Definition 28.13 University Earth and Space Sciences — Year 3 · 第 28 章 — Exoplanets

The occurrence rate of a class of planets is the mean number of such planets per star, or the fraction of stars that host one, in a given range of size (or mass) and period, after the counts of a survey are corrected for the planets it could not detect: those whose orbits are not aligned for a transit, and those too small or too far to be seen.

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