not out of date meaning in English

未过期

" we feel that the data is not out of date and it is the first really comprehensive study of its kind in south africa , " said mrc spokesman julian jacobs
医疗研究委员会的发言人朱莉安?贾可布斯说：我们认为这份资料并未过时，而且这是南非第一份对这个议题较深入的研究。
The author thinks that the science norm of merton is not out of date , it will continue playing an important role in human science researching
作者认为,默顿规范并不象其批评者所说的那样已经不再适应时代的需要,它仍有其存在和进一步发展的空间,它将继续在人类的科学研究中发挥着重要的指导作用。
This dissertation believes that comparative advantage strategy is not out of date but needs innovation and development , and that china ' s transformation of foreign tr ade structure should be based on the comparative advantage strategy in the sense of " com parative utility - price ratio " and the endogenous comparative advantage strategy
本文认为：比较优势理论并没有过时，但需要创新与拓展，中国对外贸易结构的转换必须基于以“相对效用价格比”定义的比较优势概念与内生比较优势理论。本文正是以此为基础展开分析的。