测试也揭示出了树脂的痕迹，McGovern与同事一起使用了一系列的化学技术挑拣出了其他的生物添加剂，并将其与已知的植物相对比。
The tests also revealed the presence of tree resin. McGovern and colleagues used a barrage of chemical techniques to tease out other biological additives and match them to known plants.
对于包装行业而言，它涉及到塑料和树脂供应商、添加剂制造商、复合生产商和模具商，以及纸箱、标签、油墨和粘胶剂供应商。
For packaging, it involves plastic and resin suppliers, additive manufacturers, compounders and molders, as well as carton, label, ink and adhesive suppliers.
石英石的主要成分主要是精选的天然石英石，由87%的石英石晶体和13%的树脂和添加剂复合而成。
The main composition of the quartz stone is selected natural quartz. It's made of 87% quartz crystal and 13% resin and annexing agent.
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