.
, , , - - .
.
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: : _ _______________________________________
, , . 1832 . , , , . , .
, . . , , .
, , , .
, , , , . dim. LMT X
dim X = LlMmTt,
L, M, T - , ( , )
l, m, t - , , .
, , .. , . , , . . , (, ).
, , .
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