(e) 各国必须确保旨在防止暴力极端主义的政策和方案有证据基础和科学依据，应为这类政策和方案建立严格、系统和独立的监测和评价机制，作为衡量
(e) States must ensure that policies and programmes aimed at preventing violent extremism are evidence-based and scientifically sound and should establish rigorous, systematic and independent monitoring and evaluation mechanisms for such policies 99 A/HRC/40/52, para. 29. and programmes to serve as key tools in measuring effectiveness and enhancing transparency and accountability;