notch expansion

例句：

1. 3.
   在机械工程中
2. 4.
   在地质学中
3. 5.
   在计算机科学中
4. 6.
   在经济学中
5. 7.
   在生物学中
6. 8.
   在物理学中
7. 9.
   在建筑学中
8. 10.
   在军事学中
9. 1. The notch on the saw is expanding as it cuts through wood.
   锯上的缺口随着锯切木头而扩大。
10. 2.The company's market expansion has been a key driver of its growth.
    公司的市场扩张是其增长的关键驱动力。
11. 3. The scientist's research has led to significant advancements in medical technology.
    科学家的研究导致了医学技术的重大进步。
12. 4.The team's expansion has allowed them to reach new markets and expand their business.
    团队的扩张使他们能够进入新的市场并扩大业务。
13. 5. The expansion of the city center has brought many new businesses to the area.
    城市中心的扩张吸引了许多新的商业活动。
14. 6. The expansion of the forest has helped to restore the ecosystem.
    森林的扩张有助于恢复生态系统。
15. 7. The expansion of the railway line will greatly improve transportation between cities.
    铁路线的扩张将大大改善城市间的交通。
16. 8. The expansion of the economy has resulted in increased employment opportunities.
    经济的扩张带来了更多的就业机会。
17. 9. The expansion of the library has made it easier for people to access information.
    图书馆的扩张使人们更容易获取信息。
18. 10. The expansion of the military base has strengthened national defense.
    军事基地的扩张加强了国防力量。