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JOBB (Job Hunter) 于 (Thu Sep 14 12:25:19 2006) 提到:
A disk is partitioned into two hemispheres colored in black and white and
the disk is rotating. Can you put sensors (A sensor can read the disk near
it as black or white) to find the direction of the motion of the disk?
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wildThing (东风起兮轰他娘, 安得巨浪兮吞扶桑) 于 (Thu Sep 14 12:29:34 2006) 提到:
two sensor close together if the left one senses change in color and the
oth