Concentration of the samurai in castle-towns had acted as a stimulus to trade.
武士在城堡城镇的集中刺激了贸易的发展。
2
The American plan also meets Stern's other prescriptions for an effective green stimulus - a concentration on building efficiency and renewable energy.
美国计划也符合Stern为有效绿色刺激所提出的对策—关注建筑效率和可更新能源。
3
Conclusion: Appropriate stimulus with the low concentration ethanol may enhance the cell turnover of gastric mucosa and lead to an adaptive cytoprotection in the rat gastric mucosa.