It's a method of activeconcentration I read about.
这是我读到过的一种保持积极专注的方法。
2
The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.
这些政策导致出现长期资源集中,也造就了一批独特的大学,它们以研究为主导且在商业上很活跃。
3
The concentration of active center increases with the increase of dosage of initiator, so the yield of copolymer increase.