�����ھֲ�Lipschitz������һЩ���������µõ��˷��̵�ȫ�ֽ�,
��δʹ��������������. ����,
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ȡ���������ľ���������ʽ, ��Ϊ����������.
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In the paper, a global solution is guaranteed
under local Lipschitz condition and some additional conditions
without linear growth condition. Later, the convergence in
probability of approximate solutions is investigated on the neutral
stochastic differential delay equations with Poisson jumps and
Markovian switching, instead of $L^{2}$. Some known results are
generalized and improved.