The initialize_vertices function needs to be called in the main program, so add the function call in the main subroutine at line 597.

需要在主程序中调用initialize_vertices函数，因此把函数调用添加到位于第597行的main子程序中。

youdao

The role of the main function (see Listing 7) then becomes solely instantiating the proper input and output formats, culminating in the readFeaturesInto function call.

主函数的作用（参见 清单 7）就继而变成了单纯地实例化恰当的输入和输出格式，并最后以 readFeaturesInto 函数调用告终。

youdao

From your perspective, execution begins at a function called main ; some library startup code obtains the arguments passed in from the PPE and then calls your main function with those arguments.

从您的角度来看，程序执行是从一个名为main的函数开始的；有些库的启动代码会获得从PPE中传递过来的参数，然后使用这些参数来调用main函数。

youdao

Because certainly there is a theory that art's main function is to provide succor and solace in this "vail of tears". -Right.

因为确实有一种理论认为艺术的主要,功能是提供帮助与安慰,因为世界纷繁而痛苦，-对的。

普林斯顿公开课 - 人性课程节选

So it turns out that, main, yes, is the default function you write, at least in C, when writing a program.

结果是，main函数，是的，这是你写的默认函数，至少是在C语言中，当写程序的时候。

哈佛公开课 - 计算机科学课程节选

So even though increment is obviously increment declared and defined in this function, it's later; so it's too late for me to use it in main.

很明显，即使在这个函数中,已经声明和定义;,也太迟了，以至于，我在main函数中不能使用它。

哈佛公开课 - 计算机科学课程节选

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