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to phrases
凹凸透镜
āotū tòujìng
gen.
meniscuslens
anim.husb.
concavoconvex lens
met.
concavo-convex lens
;
meniscus
;
meniscus lens
oil
concave-convex lens
tech.
periscopic lens
凹凸 透镜
:
15 phrases
in 4 subjects
Electronics
2
General
2
Technology
10
Telecommunications
1
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