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[l]�Ї��A��O(sh��)Ӌ(j��)Ժ.��ˮ��O(sh��)Ӌ(j��)Ҏ(gu��)��.1993.
[2]��A,��.��Է�ʯ��ˮ��о�.�Ї��ľ��̌W(xu��)��(hu��)ˮ��I(y��)�֕�(hu��)�oˮί�T��(hu��)��ʮ��(hu��)��2005��ˮ̎��g(sh��)��(hu��)��(hu��)��,��2005.
[3]��꣬��.���ʯ��ˮ��ˇ�о��.��ˮ��g(sh��)��2005(3).
[4]��ӡ,��֥.ˮ̎��̎��փ�(c��)�W(w��ng).��:��W(xu��)��I(y��)��,��2000.

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