由于卤化银颗粒有特殊的光敏感性，使得对其表面精细结构的观察受到很大的限制。
The observation of the morphology of the silver halide crystal surface was limited because of the light sensitivity of silver halide grains.
本发明的塑料组合物中采用的有机螯合剂，成本低廉且对激光敏感，塑料表面活化程度高；
The organic chelating agent adopted in the plastic composition has low cost and is sensitive to the laser, so the plastic surface has high activation degree;
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