韩先生已经打了四年球，近着迷-他所扮演的最后一个星期日为861瑟波纳克高尔夫俱乐部高尔夫发，随时了解每一个过程，投篮命中率跟踪！
Han has been playing golf for four years, near-obsessively - he's played 861 rounds of golf as of last Sunday at Sebonack, and kept track of every single course and shot!
因此，作者进一步对刘韩生冲击波简化理论进行研究，在第三章探讨了解决各种渠道内冲击波问题的方法。
Therefore, the authors carried out further research on Liu Hansheng's shock wave theory, in the third chapter, the author discussed ways of solve shock wave problems of various channels.
[17] 冀志江，韩斌，侯国艳，等。 石墨为吸波剂水泥基膨胀珍珠岩砂浆吸波性能研究[J]。 材料科学与工艺，2011，19（2）：15-18。
JI Z J, HAN B, HOU G Y, et al. Electromagnetic wave absorbing properties of cement-based expanded perlite mortar with graphite[J]. Materials Science and Technology, 2011,19(2):15-18.
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