nearly 100 national and international organizations recognize the public health benefits of community water fluoridation for preventing dental caries.
近100个国家和国际组织认识到公共健康利益的社区水中加氟预防龋齿。
many studies and observations have demonstrated that drinking water fluoridation is the safest and the most economical public healthy measure.
国内外大量研究与观察证明饮水氟化是最安全、投入产出比最佳的预防龋齿的公共卫生措施。
objective to evaluate the concentration of fluoride in the air of nanzhuang, xiaotang in nanhai city and offer references for the water fluoridation schemes in the very areas.
目的了解南海市南庄、小塘两镇空气氟含量,为在当地进行饮水氟化项目提供参考。