| 单词 | field bar |
| 释义 | Definition of field bar in English:field barnoun Optics rare
OriginLate 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. Definition of field bar in US English:field barnoun Optics rare
OriginLate 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. |
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