An early draft of our top-level package structure resembled Figure 4.
我们的顶层的包结构的一个最初草稿就象图4。
To show what classifiers belong to the package, a line is drawn from each classifier to a circle that has a plus sign inside the circle attached to the package (Figure 9).
为了显示属于软件包的分类器属于,从每个分类器画一条线到里面有加号的圆周,这些圆周粘附在软件包之上(图9)。
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