| 单词 | photocell |
| 释义 | photocell noun[C] uk/ˈfəʊ.təʊ.sel/us/ˈfoʊ.t̬oʊ.sel/(alsophotoelectric cell)anelectricaldevicethatproducesacurrentor avoltagewhenlightshineson it: 光电管，电眼Photocells are used inburglaralarms.光电管被应用于防盗警报器中。 Electrical components & circuitry
Examplesofphotocellphotocell After all transients died out, the steady induced angular velocity of the interior was picked up by thephotocelland recorded. From theCambridge English Corpus A photocell's response to the light stimuli is shown below each set of traces. From theCambridge English Corpus A photocell's response to the light pulse is shown below each set of traces. From theCambridge English Corpus A photocell's response to the flash is shown below each set of traces. From theCambridge English Corpus Aphotocellsandwiches part of the disk and records its angular velocity. From theCambridge English Corpus In the projector the film is transported in such a way that the soundtrack passes between a light beam and aphotocell. From theCambridge English Corpus When the disc is rotated, each ring varies the way in which a light beam affects aphotocell. From theCambridge English Corpus The drawn waveforms pass over photocells, illuminated from above by a steady stream of light, to the right of the flat surface. From theCambridge English Corpus The evolutionary reason for this peculiar design appears to be a historical accident in which the earliest photocells randomly oriented in this "backwards" fashion. From theCambridge English Corpus Each time one of the cylinder slats passed the light path a reflexion occurred which was recorded by thephotocell. From theCambridge English Corpus This is because the wiring from eachphotocellleaves the cell from the side that is nearest the light such that the wiring interferes with the path of light. From theCambridge English Corpus An example would be to turn on the parking lot lights when aphotocellindicates it is dark outside. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.A strobe light,photocell, and oscilloscope were positioned at one end of the corridor, and a mirror at the other. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A small hole in the cylinder allowed thephotocellto scan an image on a brightly illuminated glass slide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Photocells were used to turn on and off the sound sources. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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