hmn
美
英 
- 网络卫生计量网络(Health Metrics Network);六甲基二硅胺;苗语
例句
Boy: Hmn, I feel very humdrum. There is nobody here to talk with me. How humdrum!
男孩:嗯,太无聊了。这儿一个说话的人也没有。真没意思!
As to the determination of HMN, the first is selecting the suitable reactor and indicator, and the next is normal titration.
HMN是选择了合适的反应物和指示剂,然后进行常规滴定。