到目前为止您已经了解了- e和- M开关所起的作用：导入模块和运行语句。

So far you have seen the -e and -m switches in action: import a module, and run a statement.

youdao

这样可以显著地减少运行sql语句的处理和响应时间。

This can significantly reduce the processing and response time in running SQL statements.

youdao

我在运行该语句时，可以自己设置分辨率和置信度吗？

Can I set the resolution and confidence values myself when I run the statement?

youdao

And then you can delete it once you're sure your code is working right.

当你们能够确定你们的代码运行正常的话，你们可以把这个“printf“,语句删除掉。

哈佛公开课 - 计算机科学课程节选

So a loop or an infinite loop, because true is always true, there is no-- nothing on the screen that seems to change this keyword true, so this is actually a deliberate infinite loop, but so was that thing up top to forever say hi or whatever it is you wanted to do.

因此而出现死循环，屏幕上的这些语句无论怎么运行,都无法改变它为真的事实，这就是所谓的死循环，无论你想不想要,屏幕上都会不断打印出“hi“

哈佛公开课 - 计算机科学课程节选