| 释义 |
Definition of electret in English: electretnoun ɪˈlɛktrɪtəˈlɛktrət Physics A permanently polarized piece of dielectric material, analogous to a permanent magnet. Example sentencesExamples - Typically, all of the passive devices, except electret ion detectors, are available in hardware stores or by mail; electret ion detectors are usually only available through laboratories.
- ‘Well, we actually used miniature electret condenser mics,’ Vale explains.
- A small electret condenser monaural microphone is found on the top panel next to its speaker, so you can annotate each image with your own voice.
- The passive device group includes alpha track detectors, charcoal canisters, charcoal liquid scintillation detectors, and electret ion chambers.
- There are mini headphone and microphone jacks - the unit includes a pair of headphones with a tiny electret mic attached on a boom - and a proprietary USB jack with cable supplied.
- The electret microphone (range, 20 to 25,000 Hz within three decibels) was fixed in a polyester cover.
- The analog input can accept microphone sources and can supply + 5V for electret condenser computer mics.
Origin Late 19th century: blend of electricity and magnet. Definition of electret in US English: electretnounəˈlektrətəˈlɛktrət Physics A permanently polarized piece of dielectric material, analogous to a permanent magnet. Example sentencesExamples - There are mini headphone and microphone jacks - the unit includes a pair of headphones with a tiny electret mic attached on a boom - and a proprietary USB jack with cable supplied.
- ‘Well, we actually used miniature electret condenser mics,’ Vale explains.
- The electret microphone (range, 20 to 25,000 Hz within three decibels) was fixed in a polyester cover.
- The passive device group includes alpha track detectors, charcoal canisters, charcoal liquid scintillation detectors, and electret ion chambers.
- A small electret condenser monaural microphone is found on the top panel next to its speaker, so you can annotate each image with your own voice.
- The analog input can accept microphone sources and can supply + 5V for electret condenser computer mics.
- Typically, all of the passive devices, except electret ion detectors, are available in hardware stores or by mail; electret ion detectors are usually only available through laboratories.
Origin Late 19th century: blend of electricity and magnet. |