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This category contains only other categories, no dictionary entries. Its subcategories are on the topic: Quantum mechanics. They are of two sorts:
- Subcategories named like "aa:Quantum mechanics (with a prefixed language code) are categories of terms in specific languages. You may be interested especially in Category:en:Quantum mechanics, for English terms.
- Subcategories of this one named without the prefixed language code are further categories just like this one, but devoted to finer topics.
This category has the following 16 subcategories, out of 16 total.