作为应用，建立它的等价形式及对应二重级数的最佳推广不等式。

As applications, we build its equivalent form and the analogue general double series inequalities.

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作为应用，建立它的等价形式及对应二重级数的最佳推广不等式。

As applications, we build its equivalent form and the analogue general double series inequalities.

youdao