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tdtmore about tdt

tdt


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  TDT 
  n  :  (astronomy)  a  measure  of  time  defined  by  Earth's  orbital 
  motion;  terrestrial  time  is  mean  solar  time  corrected  for 
  the  irregularities  of  the  Earth's  motions  [syn:  {terrestrial 
  time},  {TT},  {terrestrial  dynamical  time},  {TDT},  {ephemeris 
  time}] 




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