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单词
achromatic lens
释义
achromatic lens
noun
:
a compound lens made by combining lenses of different material (as flint glass and crown glass) having different focal powers, the light that emerges from the lens forming images practically free from prismatic colors
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spermaceti
spermaceti wax
spermaduct
-spermae
spermae
spermagone
spermagonial
spermagonium
spermal
-spermal
spermalist
spermaphyta
spermaphyte
spermaphytic
spermarium
spermary
sperm-aster
spermat
spermat-
spermata
spermatangium
spermateliosis
spermatheca
spermathecal
spermathecal
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更新时间:2025/11/11 9:32:56