求翻译：当它在聚合物中的含量超过一定程度后，颗粒极易团聚，使得其引起应力集中并产生缺陷，不利于能量扩散和传递，从而在材料中形成强度弱点是什么意思？

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When the polymer content of more than a certain degree, the particles can be easily reunited, so that its cause stress concentration and a defect, to the detriment of the energy spread and passed to the formation strength weaknesses

After it surpasses certain degree in the polymer content, the pellet is extremely easy to reunite, causes it to set up stresses concentrates and has the flaw, does not favor the energy proliferation and the transmission, thus forms the intensity weakness in the material

When it is in polymer content exceeds a certain level, particles are easily reunited due to stress concentration from its defects, is not conducive to diffusion and transfer of energy, which formed in the material strengths weaknesses

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