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1·The present invention has the advantages of high elasticity, plasticity, high intension, innocuous, scentless, low-temperature flexibility and age resistant performance.

本发明的优点：无毒无臭、高弹塑性、高强度及低温柔韧性及耐老化性。

2·The participants were asked to sniff a jar containing either one of the three odours or the scentless oil, and then press a button to indicate whether they thought the jar smelled of anything.

这些志愿者都被要求嗅装有某一种气味或无味的油罐子，然后再按下按钮表示自己是否闻到什么了。