Black members were less rigid: they were 10 times more likely to contact whites than whites were to contact blacks.
黑人不像他们那么死板,他们愿意与白天接触的比率是白天愿意与黑人接触的十倍。
2
The differences in structural type and contents of carbon-oxygen single bond between the contactblack and the furnace black are very evident.
研究结果指出,接触法炭黑与氧化炉法炭黑的表面在碳氧键合结构形式及含量上有很大的差异;
3
The experimental result also shows that the nitrogen element on the surface of contactblack surface may be mainly in forms of amino group and nitro group.