| 词汇 | test-card |
| 释义 | test card noun[ C ] UKuk /ˈtest ˌkɑːd/ us /ˈtest ˌkɑːrd/(UStest pattern) a picture or pattern that was broadcast in the past so that the quality of the television picture received could be examined and improved if necessary by using the controls on the equipment测试图案（电视台播放的图片或图案，用于检测或改进图像质量） shaunl/iStock/Getty Images Plus/GettyImages Broadcasting: television aerial autotune best boy boob tube breakfast television broadcast ghost image goggle-box HD HDTV high def linear receiver reception reveal smart TV square-eyed subtitler telegenic Teletext Examples of test cardtest card Television could use the time when the testcard is on the screen to put out programmes of direct help and benefit to old people. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The testcard was a vital tool in its day, but has become far less important. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Programming started on the hour, with visitors who did not get to the site on time faced with a testcard and 1970s-style intermission music. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hours of broadcast were limited and so, for test purposes, a testcard was commonly broadcast at other times. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The station is currently on the air with a testcard without audio sound being played to fulfill the requirements from time to time. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A standard bluewool textile fading testcard is also placed in the same light conditions as the sample under test. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He was simply to follow the instructions on the testcard and fly the airplane appropriately. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As television is usually broadcast 24 hours a day, the testcard is now rarely used. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Visitors late for broadcasts were shown a testcard with 1970s-style intermission music. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Both sides of the testcard can be peeled open, to access the inner guaiac paper. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The sum of the three testcard time scores constitutes the summary score for the entire test. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Then the cameras were adjusted to appear identical on picture monitors, by alternately switching between and comparing the monoscope image and the testcard image. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In video production, this tone is usually accompanied by a testcard so the video signal may be calibrated as well. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In theory, an incident-light measurement should agree with a reflected-light measurement of a test card of suitable reflectance that is perpendicular to the direction to the meter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, test cards should be matched to the key card with the same colour. 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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