radial sector
Entomology
noun
The second principal division of the radius of an insect's wing, which typically has four branches.
Origin
Late 19th century; earliest use found in John Comstock (1849–1931).
| 单词 | radial sector |
| 释义 | radial sectorEntomology noun The second principal division of the radius of an insect's wing, which typically has four branches. Origin |
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