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convex lens
agric. 凸面透镜｛显技｝
desert. 凸面镜
met. 凸透镜
nurs. 凸球镜片
phys.sc. 凸〔正,会聚〕透镜
tech. 正透镜
convex lens: 15 phrases in 6 subjects
Agriculture1
Electronics3
Metallurgy4
Nursing1
Oil / petroleum1
Technology5

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