This provides the means for reusing the group in multiple complex type definitions 这提供了在多个复杂类型定义中重用组的方法。
2.
We also give the matrix forms of the interface partial derivative with multiple complex interfaces 给出了任意多个复杂界面情况下，反演时所需的走时对界面偏导数系数矩阵。
3.
Graphics operations that require multiple complex painting operations can cause the rendered images to appear to flicker or have an otherwise unacceptable appearance 需要多重复杂绘制操作的图形操作会导致呈现的图像闪烁或具有其他不可接受的外观。
