development and change

• 发展与变化

Development and Change的用法和样例：

例句

1. We can find the development and changes that have taken place in Tangshan.
   就能感受到唐山的发展与变化。
2. The range of the vortex also has impact on the perturbation kinetic energy and its change rate.
   而扰动涡旋的范围对扰动动能的大小与变化也存在一定的影响。