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[1]��,��.��(y��u)�|(zh��)��ˮ��̎��g̽ӑ [J].�oˮ��ˮ��2001,��27(8��1��5.
[2]��,��.��ˮ��̎��g̽ӑ[J]. ��Ͻo��ˮ,��2001��23(5)1��5.
[3]�M��.��ԁ�ˮ�S�S��[J].�Ї��oˮ ��ˮ,2001,17(4):64��66.

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