Then they chose one gram for weighing water in a cubic centimetre.然后他们将一立方厘米的水的重量定为一克。Theanalysis module can process up to one gram of flowing sample per minute.这种分析模块可以在每分钟内处理一克流体的样本。It started with two friends slipping him a wad of paper with about half a gram inside, in Las Vegas in 1960.最初接触毒品是在1960年的拉斯维加斯,他的两个朋友给他塞了一小卷装有半克可卡因的纸卷。