One of these was the evolution of the hammer and sickle symbol from its agrarian roots into a space-age propaganda object, as seen above.

其中的一项便是象征工农的锤子和镰刀造型转变成了太空时代的宣传工具，如上图所示。

youdao

One of these was the evolution of the hammer and sickle symbol from its agrarian roots into a space-age propaganda object, as seen above.

其中的一项便是象征工农的锤子和镰刀造型转变成了太空时代的宣传工具，如上图所示。

youdao