激光推进的理论与实验研究。
对共轨系统油轨压力的控制方法进行了理论与实验研究。
The overflow control method of pressure in common rail has been studied through theory and experiment.
仿生材料目前是各国科学家关注的焦点，理论与实验研究已经取得很大进展。
Bionic materials are the focus by scientists all over the world now, the theory and experiment of it both make great progress.
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