Plastic composition: unsaturated resin, glass fiber, enhancer.

塑钢构成：不饱和树脂，玻璃纤维，增强剂。

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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;

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；

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A variety of materials, including fabric, bamboo and burnt plastic, are combined with acrylic to create a composition that speaks of the emotive qualities in the subject matter.

运用各种材料，包括纤维，竹子、烧焦的塑料和亚克力进行创造，这充分说明材料与情感特质的结合。

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That new frequency therefore depends on the composition of the plastic.

ECONOMIST: Recycling

Indeed, a calculation Dr Ip performed, based on the volume and composition of the urine he collected in the plastic buckets, and of the head-dunking water at the end of each day, suggested that only 6% of the urea excreted by the turtles was leaving them in the traditional manner, via urine.

ECONOMIST: Softshell turtles urinate through their mouths