论文部分内容阅读
“中国腐植酸产业发展五十年暨中国腐植酸工业协会成立二十周年庆典大会”(以下简称“庆典大会”)虽然结束了,但是它所产生的影响是深
“The 50th Anniversary of Humic Acid Industry Development in China and the 20th Anniversary Meeting of Chinese Humic Acid Industry Association” (hereinafter referred to as “the celebration ceremony”) is over, but its impact is deep