Troglia obtained an international patent on his invention 50 years ago and it became an instant hit.

特罗利亚在五十年前获得了他的发明的国际专利，这项发明一夜成名。

And the delta alone generates nearly half of the mainland's high-quality international patent filings, leading China on innovation.

中国内地高质量的国际专利申请中，单是珠三角就占了近一半，在创新方面领先全中国。