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1977年我国颁发了逐步使用国际单位制的规定,但在实际中计算常用各种实用单位。很多同志就单位关系提出疑问。现请郭香崧同志作一解答,兼复李长安同志。
In 1977, China promulgated the stipulations on the gradual use of the system of international units, but in practice it calculates various types of practical units commonly used. Many comrades question the relationship between the units. Now I invite Comrade Guo Xiangsong to make a reply and to Comrade Li Chang’an.