| 单词 | hard sphere |
| 释义 | Definition of hard sphere in English:hard spherenoun Physics
OriginEarly 19th century; earliest use found in Olinthus Gilbert Gregory (1774–1841), mathematician. Definition of hard sphere in US English:hard spherenoun Physics
OriginEarly 19th century; earliest use found in Olinthus Gilbert Gregory (1774–1841), mathematician. |
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