n. 表现;陈述;表现…的事物;有代理人
网络 再现; 表征; 表示
The problems of representativity of water sample, constant weight of filter paper and absorption of salt in the analysis of suspension of metallurgical waste water are discussed.
论述绍了在冶金废水悬浮物分析中水样的代表性、 滤纸的恒重及对盐分的吸附等需要注意的一些问题。