steady-state theory

例句：

1. 1.The steady-state theory of economics suggests that the long-term growth rate of an economy is determined by its current level of output.
   经济学的稳态理论认为，一个经济体的长期增长率是由其当前的产出水平决定的。
2. 2. In the steady-state theory, resources are allocated efficiently to meet the needs of society.
   在稳态理论中，资源被高效地分配以满足社会的需求。
3. 3. The steady-state theory has been widely applied in environmental science and engineering to study the behavior of ecosystems in a stablestate.
   稳态理论在环境科学和工程领域得到了广泛应用，用于研究生态系统在稳定状态下的行为。