stepwise distillation

例句：

1. 1.The company is implementing a stepwise approachto its new product launch.
   该公司正在逐步实施其新产品推出的策略。
2. 2. Weneed to take a stepwise approach to solving this problem.
   我们需要采取逐步的方法来解决这个问题。
3. 3. Theproject will be completed stepwise, witheach phase leading up to the next.
   该项目将分阶段完成，每个阶段都为下一个阶段做准备。