derived number

例句：

1. 1.The new technology is derived from the old one.
   新技术是从旧技术发展而来的。
2. 2.The company's profits are derived from its sales of computers.
   公司的盈利来自于其销售计算机的收入。
3. 3. The scientist discovered a new species that is a direct descendant of the dinosaurs.
   这位科学家发现了一种新物种，它是恐龙直接的后代。