A class of neutral difference equation with delay is considered and a sufficient condition for the oscillation of the equations is obtained.

考虑一类时滞差分方程的振动性，得到了该方程振动的一个充分条件。

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By discussing a class of the neutral difference equation with several delay arguments, the author deduces a necessary and sufficient condition for the existence of bounded positive solutions.

考虑一类含有多个滞量的中立型差分方程，获得了该方程存在有界正解的一个充分必要条件。

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This paper made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.

通过时滞微分方程和离散差分方程的振动性，建立了具有连续变量的非线性差分方程的振动性条件。

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