It could be possible to make superconductor-based circuits simply by using a beam of X-rays to control the positions of dopant atoms within a suitable material.
在合适的材料中，使用X射线来控制掺杂剂原子的状态，用这种方法将使制作超导电路成为可能。
It is shown that the positions of phase saddles and vortices depend on the off-axis parameter, beam width, phase and relative amplitude of beams.
研究表明干涉场中的相位鞍点以及涡旋点的位置与光束的离轴参数、束腰宽度、相位以及相对振幅有关。
The ends of reinforced concrete beam in seismic frame are critical positions that ensure ductility and plastic energy dissipation capability of the structure.
钢筋混凝土抗震框架梁的端部是保证结构抗震延性和塑性耗能能力的关键部位。
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