一国良制 (typeracerblackbelt)

Race #564

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Official speed 74.70 wpm (52.05 seconds elapsed during race)
Race Start May 19, 2018 12:04:31pm UTC
Race Finish May 19, 2018 12:05:23pm UTC
Outcome No win (2 of 3)
Accuracy 96.0%
Points 77.19
Text #3622413 (Length: 324 characters)

The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.