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ǎぇ玡F璝⊿繦把计历,玥程常穦繦秅戳历
璝繦把计历△ + 2 + 3 + 2 = F ** cos t玥穦Τ待≒瞷禜
+ 2 + 3 + 2 = F ** cos t (F= 1.0 = = = 0.05 = 1)
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