For the first time does there have such an overall transient flow investigation of the whole system under valve adjusting condition. 2 Numerical calculation.
如此全面的阀调节全系统瞬变实验研究在国内尚属首次。2计算研究。
A large amount of first hand data have been gained by the field investigation of the carbonate karst of the Ordovician system in the Xishan Hill of Beijing.
通过对北京西山奥陶系碳酸盐岩岩溶的野外调查，取得了大量的第一手资料。
Questionnaires were sent to the first group of pilot counties in new rural cooperative medical system(CMS) for investigation, find out the status quo of individual premium collection.
对全国新型农村合作医疗第一批试点县农民个人筹资方式进行了问卷调查，发现在151个试点县（市）中，典型的个人筹资方式有上门收取、滚存式筹资和委托代收。
应用推荐