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Fres'nel' lan'tern

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Fresnel lamp \Fres`nel" lamp"\, Fres'nel' lan'tern \Fres'nel'
lan'tern\[From Fresnel the inventor, a French physicist.]
   A lantern having a lamp surrounded by a hollow cylindrical
   Fresnel lens.
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