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科技类图书和文章中,积温的单位存在℃和℃·d两种形式,究竟哪一种更合适?这要从以下方面说起。一、从积温概念本身来看积温这一概念最早是由法国人F.A.deR啨aumur于1735年左右提出的,他发现植物完成某一定的发育,要求一定量的温度的累积值[1]。以后积温学说有了很大发展,并不
In science and technology books and articles, there are two forms of temperature-accumulated units, ℃ and ℃ · d. Which one is more appropriate? From the following aspects. First, from the concept of accumulated temperature, the concept of accumulated temperature was first proposed by the Frenchman F.A. deR 啨 aumur in about 1735. He found that the plant to complete a certain development requires a certain amount of accumulated temperature [1]. Since then accumulated temperature theory has made great progress, not