ArchiveVolume 8, Issue 1, February 2020
Yuan Bingjian, Ren Ping
Pages: 1-6     Published Online: Feb. 26, 2020
DOI: 10.11648/j.sd.20200801.11        Views 235      Downloads 45
Peng Gao, Xuefeng Jin, Jieyu Du, Yu Han, Yanhui Zhu
Pages: 7-11     Published Online: Apr. 17, 2020
DOI: 10.11648/j.sd.20200801.13        Views 125      Downloads 35
Yu Sun, Lixin Cao
Pages: 12-17     Published Online: May 19, 2020
DOI: 10.11648/j.sd.20200801.14        Views 73      Downloads 18
Yan Sitao
Pages: 18-23     Published Online: May 19, 2020
DOI: 10.11648/j.sd.20200801.15        Views 82      Downloads 18
Jingyi Liu, Dongyuan Su
Pages: 24-26     Published Online: May 19, 2020
DOI: 10.11648/j.sd.20200801.16        Views 87      Downloads 17
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