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Anti-aliasing
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Laboratory mouse
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CAPI
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Aponeurosis
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Balai
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Hyaloclastites
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Isotope
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Anti-anaemic
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Planetary aberration
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Geomagnetism
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Asynchronous
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Semiconductor laser
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Norite
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Smoke detector
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Chapping
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Wiki
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SIM
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Switch
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Condensation boiler
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Ovulation test
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Smallpox virus
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Nectariferous
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Concavenator corcovatus
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ppm
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Montrachet
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Polymer
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Digital signature
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Aqua
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Polderisation
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CSS
Proper motion of a star
The proper motion of a star is the right ascension and declination movement of a star that causes its position to vary over time.
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