| 1. | In many countries , patent activity in biotechnology has been slowing down over recent years , the study said , with only italy , austria , japan and some countries with very few patent applications showing accelerated activity 研究指出,在许多国家,生物技术专利表现出明显慢化,只有意大利,澳大利亚,日本和其它一些国家的少数专利表现出加速发展。 |