主要是要明白 Psyco 对于处理多次循环的块是很有用的，而且它知道如何优化涉及整数和浮点数的操作。

The main thing to understand is that Psyco is useful for handling blocks that loop many times, and it knows how to optimize operations involving integers and floating point numbers.

youdao

Blue提供单一的循环机制，包含于代码块之内。

Blue provides a single mechanism for looping, which is contained within a code block.

youdao

JFFS将flash设备视为一种循环的块日志。

JFFS viewed the flash device as a circular log of blocks.

youdao

All right, you can see that this little piece of code, it's got a loop in there, and what's it doing?

好，你们看到的这一小块代码,是做了一个循环吧？,他在做什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

You can kind of see where the syntax is going, looks like a loop, but you can kind of put blocks inside of you, and the little arrow suggests that once you get to the bottom just like our socks example, you're gonna do the following again.

从某种程度上你可以看到它的语法构成,像个循环，你也可以把，一些程序块放到循环中，如同短袜的例子，这个小箭头暗示你一旦到达底部,你将会重复接下来的事情。

哈佛公开课 - 计算机科学课程节选