本文在一封闭的房间内通过实验研究主动噪声控制技术的特性。
In the paper, experiments on active control of noise are investigated in an enclosed room.
本发明公开了一种促进边缘细胞生长使未闭房间隔卵圆孔自愈的新方法。
The invention discloses a new method for prompting the growth of border cells to cause patent foramen ovale on interatrial septum to self-heal.
本发明公开了一种促进边缘细胞生长使未闭房间隔卵圆孔自愈的新方法。
The invention discloses a new method for prompting the growth of border cells to cause patent foramen ovale on interatrial septum to self-heal.
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