Scientists still yet not find a "unified theory" that applies to things at cosmic level as well as "atomic level".
科学家们至今仍然没有找到一个“统一理论”，可以适用于大到宇宙，小到原子。
Several layers of shielding will safeguard the payload from cosmic rays, meteorites, and atomic oxygen.
几层防护屏将保护有效负载免受宇宙射线、陨星和原子氧的危害。
Several layers of shielding will safeguard the payload from cosmic rays, meteorites, and atomic oxygen.
几层防护屏将保护有效负载免受宇宙射线、陨星和原子氧的危害。
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