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用ｓｄｇＩＢＭ的内禀态，解析计算了稀土区的（１５２-１６４）Ｄｙ、（１５４-１６８）Ｅｒ、（１７０-１８６）Ｗ、（１６８-１９４）Ｏｓ等偶偶同位素的基态形变，与其它理论及实验结果进行系统比较，表明ｓｄｇＩＢＭ能对核的形变作出很好的描述．
The ground state deformations of even-even isotopes such as (152-164) Dy, (154-168) Er, (170-186) W and (168-194) Os in rare earth are calculated by using the intrinsic states of sdgIBM. The experimental results show that sdgIBM can give a good description of nuclear deformation.