如何使用 "retrospective" 造句

1. Now this is theoretical because it is based mostly on retrospective studies .
现在由于它主要根据回顾性研究,这只是个理论。
2. Recall bias happened because the study was retrospective rather than prospective .
发生回忆偏差是因为研究是回溯性的,而不是未来性的。
3. But vague threats of retrospective legislation are a terrible idea .
但是有追溯效力立法是个糟糕的主意。
4. Design : the authors conducted a retrospective review of prospectively collected data .
设计:作者预先收集了数据并进行回顾性分析。
5. Retrospective analysis on overhauling operation of artificial hip joint in aged people .
老年人人工髋关节翻修临床分析。