separated aggregate中文什么意思

分级骨料

• separate:    adj. 1.分开的；分离的 (fr ...
• aggregate:    vt. 1.集合，(使)聚集。 2. ...
• be separated:    被分为

例句与用法

1. The hot, massive, high-luminosity stars of spectral types o and b are not distributed uniformly over the galaxy but are grouped into extensive, separate aggregates that have come to be called associations .
   O型和B型的大质量高光度热星在银河系中分布并不均匀，而是聚集成为分开的大星群，即所谓星协。
2. These machines create a highly abrasive washing action that separates aggregate from dust , soluble clay , and wood particles
   这种机器能产生强烈的摩擦，揉搓，清洗动作将砂石与粘土及粉尘分离开。
3. The hot , massive , high - luminosity stars of spectral types o and b are not distributed uniformly over the galaxy but are grouped into extensive , separate aggregates that have come to be called associations
   O型和b型的大质量高光度热星在银河系中分布并不均匀，而是聚集成为分开的大星群，即所谓星协。