| 单词 | field stop |
| 释义 | Definition of field stop in English:field stopnoun Optics
OriginEarly 20th century; earliest use found in James Southall (b. 1871). Definition of field stop in US English:field stopnoun Optics
OriginEarly 20th century; earliest use found in James Southall (b. 1871). |
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