求翻译：计算机模拟毒性筛选新技术前景可观，定量构效关系研究在国际上是一个相当活跃的研究领域,是环境化学、农业化学、药物化学中的一个前沿课题. 其应用越来越受到重视.是什么意思？

New technology of computer simulation of toxicity screening prospects, quantitative structure-activity relationship is a very active area of research at the international level, is the agricultural chemistry, environmental chemistry, a current topics in medicinal chemistry. Its application is receiving increasing attention.