optical造句
(91) This absorption band comes from the spherical geometry of the particles and the particular optical properties of the gold.
(92) It is not the purpose here to explain exactly how an optical fibre works in terms of total internal reflection.
(93) Intense searches have revealed no optical or other signal from the partner, nor does it eclipse the quasar.
(94) To save space and money, Canon omitted the standard optical viewfinder.
(95) The inset picture shows a slotted bus-bar for use with the optical sensor.
(96) Once documents have been scanned and indexed, they have to be saved to optical disk.
(97) Next we get the usual nonsense: wordless dialogue, optical semaphoring, gauche laughter, ear-splitting silence.
(98) Radiation in the optical range and at radio frequencies can be detected either locally or at Earth stations.
(99) It also explains why it is virtually certain that Britain's main trunk lines will rely on optical fibre.
(100) Sending such digital signals lends itself well to using light along optical fibres rather than electrical signals along copper wires.
(101) This, thought Robert, was something of an optical achievement on her part.
(102) The chapter on applications gives a good overview on optical, mechanical and chemical microsystems and components.
(103) But the dozens of optical and radio observatories on the ground are complemented by very few astronomy satellites.
(104) The heights of accumulation at known time intervals are measured by optical micrometer and the particle sizes calculated from these figures.
(105) Using this method, the input device is an optical scanner, which captures the image as a pixel representation.
(106) Any image, black-and-white or colour, was always worsted in this optical smorgasbord.
(107) This has generated some confusing comparisons between the capability of optical fibre and coaxial cables.
(108) The obstacle to optical fibre communication is lift loss due to impurities in the glass.
(109) Mrs Thatcher's panel of advisers recommend against linking homes with optical fibres on the grounds of cost.
(110) For example,[http:///optical.html] distinction between calcite and dolomite is difficult because they have similar optical properties.
(111) She remained there for four years, during which time she conducted researches on the optical properties of organic compounds.
(112) One of the projects close to commercial realisation uses optical fibre to sense a current flowing in a conductor.
(113) A spectrograph uses optical elements called gratings or prisms to separate the light gathered by a telescope into its component colors.
(114) This can be on-line or off-line recognition of hand-printed characters, or of machine-printed characters using optical character recognition.
(115) A schematic diagram of an optical waveguide with a surface-immobilised antibody, designed for the competitive immunoassay of an antigen.
(116) In telecommunications, optical fibres made of glass will gradually replace the traditional copper cables in new equipment.
(117) Many companies use optical scanners to input information from paper resumes.
(118) At the time of writing, there was little to suggest that viable palmtop optical media were about to appear.
(119) Moreover, these market figures only take account of multi-media delivered on a stand-alone optical disc platform.
(120) The two main ways of converting the rotation of the internal rollers to electrical signals are partially conductive wheels and optical discs.
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