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In chapter four,we investigate the compactness of comm-utators of CZO and fractional integral operator with VMO functions.

本文第四章研究Calderon-Zygmund算子和分数次积分算子与VMO函数的交换子的紧性问题。

We'll look at a number of ways to transition elements onto the screen from using effectors to animated sweeps.

我们将着眼于通过多种方式，以过渡元素在屏幕上，使用效应器，以动画的把戏。