Clockwise from top left is a collage of Richard Feynman, Albert Einstein and Ernest Lawrence.

从左上顺时钟方向依序为：理查德·费曼，艾尔伯特·爱因斯坦和欧尼斯特·劳伦斯。

There are three steps to the Feynman Technique.

费曼技术有三个步骤。

The method is described in an article by feynman et al...

这种方法在一篇由费因曼等人所写的文章中有所描述。

Feynman was a theoretical physicist and brilliant lecturer.

费曼是一个理论物理学家，才华横溢的讲师。

Finally we derive the Feynman rules for effective Lagrangian.

最后，推导出有效拉氏量所对应的费曼规则。