It's the sort of interaction that isn't quite possible with a standard mouse, and something the company seems eager to explore.
而这样的互动很难用标准的鼠标来实现，因此急需一种与之相配合的配件。
There are 78 standard mouse cursor shapes in X11, the names of which can be found in the header file cursorfont.h, which in a typical installation can be found in the /usr/X11/include/X11/ directory.
我们已经将画布清理干净（将画布的背景色设置为“白色”），并且当鼠标移至画布时，光标变为交叉（在 X11 中有 78种标准的鼠标光标形状，其名称可以在头文件 cursorfont.h 中找到，典型安装时，这个头文件可以在/usr/X11/include/X11/ 目录中找到。）
The mouse is a standard organism for such studies, but she did not like hurting furry animals.
老鼠很适用于这样的研究，但她不忍心伤害毛茸茸的小动物。
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