- relative reading instrument
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прибор для относительных измерений
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
electronic instrument — ▪ music Introduction any musical instrument that produces or modifies sounds by electric, and usually electronic, means. The electronic element in such music is determined by the composer, and the sounds themselves are made or changed… … Universalium
Musical instrument — A musical instrument is a device created or adapted for the purpose of making musical sounds. In principle, any object that produces sound can serve as a musical instrument it is through purpose that the object becomes a musical instrument. The… … Wikipedia
Reflecting instrument — Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe two objects simultaneously while measuring the angular distance between the objects. While… … Wikipedia
keyboard instrument — ▪ music Introduction any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… … Universalium
stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… … Universalium
wind instrument — /wind/ a musical instrument sounded by the breath or other air current, as the trumpet, trombone, clarinet, or flute. [1575 85] * * * ▪ music Introduction any musical instrument that uses air as the primary vibrating medium for the… … Universalium
Percussion instrument — Percussion redirects here. For other uses, see Percussion (disambiguation). A percussion instrument is any object which produces a sound when hit with an implement or when it is shaken, rubbed, scraped, or otherwise acted upon in a way that sets… … Wikipedia
Octant (instrument) — Octant. This instrument, labelled Crichton London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate. The index arm and mirror supports are brass. Rather than use a sighting telescope, this… … Wikipedia
Eye movement in music reading — skills. A central aspect of music reading is the sequence of alternating saccades and fixations, as it is for most oculomotor tasks. Saccades are the rapid ‘flicks’ that move the eyes from location to location over a music score. Saccades are… … Wikipedia
Eye movement in language reading — The study of eye movement in language reading stretches back almost a thousand years. Eye movements during reading were first described by the French ophthalmologist Louis Émile Javal in the late 19th century. He reported that eyes do not move… … Wikipedia
electromechanical transducer — ▪ instrument Introduction any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone). Many of the transducers used in… … Universalium