典型的任务：测试新的推进剂的燃烧率。
任务失败率很高，修改引起的非预期副作用很多，生产效率很低。
Unintended consequences of change are high. Productivity is low.
总的来说，我们的两架飞机在部署期间的任务完成率达到了近百分之九十。
Together, our two aircraft presented nearly a ninety-four percent mission capable rate for the deployment.
战略级任务必须保持发射率每年一到三次发射。
Strategic-level missions must maintain a launch rate of one to three launches per year.
战略级任务必须保持发射率每年一到三次发射。 （PS：战略比战术还多？）
Strategic-level missions must maintain a launch rate of one to three launches per year.
战略级任务必须保持发射率每年一到三次发射。 （PS：战略比战术还多？）
Strategic-level missions must maintain a launch rate of one to three launches per year.
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