明清封舟的航行动力风险及使团预防措施
汪祥胜,张忻昀
Sailing Power Risk of Sealing Boat in Ming and Qing Dynasties and Mission Prevention Strategy
WANG Xiangsheng, ZHANG Xinyun
重庆交通大学学报(社会科学版) . 0, (): 44 -53 .