After the war against Japan, he made an arduous journey back to China and created an educational system in mechanical science in hardships.

抗战胜利后，他历尽千辛万苦回到祖国，在艰难中为新中国开创了力学科学教育体系。

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After the war against Japan, he made an arduous journey back to China and created an educational system in mechanical science in hardships.

抗战胜利后，他历尽千辛万苦回到祖国，在艰难中为新中国开创了力学科学教育体系。

youdao