Hello,It's Me

Call Me Wang Chengyan

My research area is

哈喽，我叫王程延，我感兴趣的研究方向是

To become a self with attitude is to dare to express truth, uphold beliefs, and embrace challenges with a positive mindset.
做有态度的自己，敢于表达、坚持信念，以积极心态拥抱挑战。

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