Many kinds of generations and deformations of Schrödinger Virasoro algebra have been studied recently. In this paper,we calculate all the Leibniz 2 cocycles of 2 dimensional central extensions of a type of twisted de-formative Schrödinger Virasoro Lie algebra.Thus its Leibniz central extension is determined.%近来各种 Schrödinger Virasoro 李代数推广与变形得到了广泛的研究。本文计算一类Schrödinger Virasoro 李代数2维中心扩张所有的 Leibniz 2上循环，从而确定了这类李代数的 Leibniz中心扩张。
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