| 41. | Doherty-Sneddon argues, however, that this timescale represents only a general norm.
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| 42. | This quasar shows variations of factors of four or more on a timescale of hours.
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| 43. | The Purbeckian corresponds with the Tithonian to Berriasian stages of the internationally used geologic timescale.
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| 44. | Look at the article Sliding _ timescale.
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| 45. | On a geologic timescale, the Willamette Valley has been the site of massive floods.
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| 46. | The spectrum of 19 Cephei shows line profile variability on an hourly and daily timescale.
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| 47. | It was thus an alternative name for the Early Jurassic epoch of the geologic timescale.
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| 48. | From Bastion he discovered the difficulty of running a large deception on a short timescale.
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| 49. | Billiard ball model becomes sort of invalid when you're talking about this timescale.
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| 50. | Glaxo agrees : " Something like a 20-year timescale is appropriate ."
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