| 单词 | biconvex |
| 例句 | The other is Google Cardboard: a nifty kit that sells for $15 and that holds a smartphone in place in front of biconvex lenses. Virtual Reality Has Arrived in the Art World. Now What? 2017-02-03T05:00:00Z Tube of corolla cylindrical, enlarging above; upper lip arched, compressed, straight in front; the lower erect-spreading, biconvex, 3-lobed at the apex. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Convex on both sides; as, a biconvex lens. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The lens is biconvex in diurnal mammals, but in nocturnal and aquatic it is spherical. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z The red blood-corpuscles are invariably oval disks, with a central nucleus which causes a slight swelling; hence they are oval and biconvex. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z The coloured corpuscles of amphibia as well as of nearly all vertebrates below mammals are biconvex and elliptical. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Where two toes overlap, it will be observed that there is a deeper shadow, like the section of a biconvex lens. McClure's Magazine, Vol. 6, No. 6, May, 1896 The crystalline lens is a transparent, biconvex body sustained by the ciliary processes. Common Diseases of Farm Animals "My helmsman is stationed behind the windows of a pilothouse, which protrudes from the topside of the Nautilus's hull and is fitted with biconvex glass." Twenty Thousand Leagues Under the Sea The power of our beacon was increased a hundredfold, like a lamp shining through the biconvex lenses of a world–class lighthouse. Twenty Thousand Leagues Under the Sea Set in the cabin's walls were four deadlights, windows of biconvex glass that enabled the man at the helm to see in every direction. Twenty Thousand Leagues Under the Sea I then examined the fittings of this mechanism, whose power was increased a hundredfold by biconvex lenses that were designed like those in a lighthouse and kept its rays productively focused. Twenty Thousand Leagues Under the Sea |
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