延安时期,为了打败日本帝国主义者的侵略,粉碎国民党顽固派对陕甘宁边区的经济封锁和军事进攻,并制服水灾、旱灾等自然灾害的侵袭,党中央领导了一场宣传科学、普及科学知识、将科学技术转化为生产力并应用于边区生产实际的自然科学运动,推动了大生产运动的发展,在旧中国树起了一块新民主主义经济建设的样板,取得了卓越的成绩,使我党我军度过了严重的困难时期,立于不败之地。 During the Yanan period, in order to defeat the Japanese imperialists’ aggression, crush the Kuomintang diehards on the economic blockade and military offensive in the Shaanxi-Gansu-Ningxia Border Region and uniformed the natural calamities such as floods and drought, the Party Central Committee led a campaign to publicize science and popularize scientific knowledge , Transforming science and technology into productive forces and applying them to the actual natural science movement in the border areas, promoting the development of a mass production movement, setting a new example for the building of a new-democratic economy in old China, and achieving remarkable results in making our party Our army has passed a grave and difficult period and is invincible.