中文摘要：

1978年的“真理标准”讨论是一场改变中国发展进程的思想交锋，是上世纪八十年代中国思想解放运动的破冰之旅。在这一思想和历史转折的关键时刻，自然辩证法以科学的理性和批判精神投入到实践标准讨论中去，同时清理了“文革”期间在自然科学哲学领域一系列错误的和被歪曲的理论，成为打破禁锢、解放思想的锐利武器。自然辩证法在这场论战中扮演了重要角色。

英文摘要：

The discussion on the criterion of truth in 1978 is an ideological confrontation influencing the development process of China, and an ice breaking of ideological emancipation in 1980s in China. At the critical moment of thought and at the turning point of history, dialectics of nature with scientific rationality and critical spirit participated in the discussion of practical standard with the false and distorted theories in the fields of natural science and philosophy during the ＂Cultural Revolution＂ leaned up, becomes the sharp weapon of emancipating minds and breaking the imprisonment. Dialectics of naure played an important role in the debate.