| 词汇 | vacuum-tube |
| 释义 | BETA vacuum tubecollocation in Englishmeanings of vacuumand tubeThese words are often used together. Click on the links below to explore the meanings. vacuum noun uk /ˈvæk.juːm/ us /ˈvæk.juːm/ a space from which most or all of the matter has been removed, or where there is little or ... See more at vacuum tube noun uk /tʃuːb/ us /tuːb/ a long cylinder made from plastic, metal, rubber, or glass, especially used for moving or containing liquids ... See more at tube Examples of vacuum tubevacuum tube Developed in the 1950s, these components utilized primarily vacuumtube technology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although it resembles a vacuumtube in appearance, its operation does not depend on thermionic emission of electrons from a heated cathode. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Active mixers use an amplifying device (such as a transistor or vacuumtube) to increase the strength of the product signal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They were pioneers at advancing the state-of-the-art for audio reproduction in the seventies, re-introducing the vacuumtube as the primary active amplification device. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most of the waste power used in a vacuumtube is dissipated as heat by the plate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This pattern is converted to an equivalent electrical pattern which controls heterodyning vacuumtube oscillators. For years scientists searched for a solution that would combine the high input impedance of the vacuumtube with the many other advantages of the transistor. The upstairs studio featured a custom vacuumtube console. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The betatron is essentially a transformer with a torus-shaped vacuumtube as its secondary coil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Throughout the 1960s, television sets used exclusively vacuumtube electronics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These were common on vacuumtube equipment and continue to be used where several voltages are supplied. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Small amounts of gas within a vacuumtube will ionize, causing undesired conduction leading to major malfunction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Often, but not always, vacuumtube designations that differed only in their initial numerals would be identical except for heater characteristics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The squadron's unique repair capabilities cover the entire rangefrom vacuumtube, solid state and infrared components, to laser and fiber optic technology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vacuumtube rectifiers had efficiencies of only 60% compared to the 85% of selenium rectifiers, partially because vacuumtube rectifiers required heating. 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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