survivorship curve

例句：

1. 1.The survival rate of the project has been increasing steadily over the past few years.
   该项目的存活率在过去几年里稳步上升。
2. 2.The company's survival strategy is to focus on innovation and market expansion.
   该公司的生存战略是专注于创新和市场扩张。
3. 3. The survival of the species depends on the ability to adapt to changing environments.
   物种的生存取决于适应不断变化环境的能力。