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   71180
   The distribution of radial velocity and plasma temperature gives a clue
   to make clear the dynamical structure of a cluster of galaxies. However
   there are no significant correlations between physical parameters
   derived from optical and X-ray observations. The detailed optical
   observations of Abell clusters(z<0.1) in the southern sky were carried
   out by ESO key programme. We have selected two rich clusters,
   A3128(z=0.0600) and A3695(z=0.0893) among them. Their X-ray imaging
   observations have not been reported by any satellites. We aim at
   investigating the beta-problem, origin of ICM and substructure merging.
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