They looked at how well the mother had coped with her child's developmental tests and how she had responded to the child's performance.
他们观察母亲如何应对孩子的成长测试，以及对孩子在测试中的表现作何反应。
Since most of the flying at this stage of the F-22 program concerns developmental tests why does the F-22 CTF need an operational test pilot?
既然F-22项目现阶段最为关注的内容是研发试飞，为什么F-22综合测试大队会需要战斗试飞员呢？
Since most of the flying at this stage of the F-22 program concerns developmental tests why does the F-22 CTF need an operational test pilot?
既然F-22项目现阶段最为关注的内容是研发试飞，为什么F-22综合测试大队会需要战斗试飞员呢？
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