The mechanical design starts with the sculpture.

马克：机械设计从雕塑开始。

But the true genius of the AK-47 lay not only in its mechanical design but also in its ideological underpinnings.

但 AK-47 的真正天才之处不仅在于其机械设计，还在于其意识形态基础。

Absolutely. And we've got quite a few of the guys who I worked with earlier on in my career here, kind of working on weight saving and a very efficient mechanical design.

“当然很有帮助。而且，这里有很多人都是我早期职业生涯中的同事，他们的工作就是减轻重量和创造高效的机械设计。”