| 31. | The difference in reflectivity causes the fan to rotate when in the light.
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| 32. | This is what is meant by self-reflectivity.
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| 33. | The outer visor was coated in gold for reflectivity.
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| 34. | We have Composite reflectivity, which explains more detail.
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| 35. | Reflectivity deviates from the other properties in that it is bidirectional in nature.
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| 36. | The pattern of reflectivity reveals the pattern of material variations within the layers.
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| 37. | The Sharp comes with a low-reflectivity, color liquid crystal display screen.
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| 38. | Cool roofs are defined as roofs with both high reflectivity and high thermal emittance.
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| 39. | The broadband mirror is usually coated with a low reflectivity coating to allow emission.
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| 40. | The electric-field mirror reflectivities are r _ 1 and r _ 2.
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