The shearing strength of reinforced concrete rectangular slabs supported on four sides with ratio of side length between 2 and 3 are studied in this paper.

对边长比为2 ~ 3的四边支承矩形板的抗冲切性能进行了试验研究。

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The geometric parameters, the hexagonal side length and the lattice period of the metal dendritic array units are reasonably designed to generate electromagnetic resonance.

合理地设计金属树枝单元的几何参数，六边形边长以及晶格周期，产生电磁谐振。

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Results show that the resistance relates to the area of the photo-excited region, the side length of the emitter region, the position of the emitter region, and the emitter current.

结果表明该电阻与光敏区面积、发射区边长、发射区位置、发射极电流等因素有关。

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