The engines are mainly used in fishing and ship transport as well as land power generation and engineering machinery , etc 该机主要用于渔业捕捞、船舶运输等行业，另外可用于陆用发电及工程机械等领域。
2.
According to the experience of land power system research and the individual character of warship power system , the content and the direction of the research of warship power system reliability are discussed 根据陆地电力系统可靠性研究的经验和内容，在分析舰船电力系统的区别和特殊需求后，探讨了舰船电力系统可靠性的研究内容以及研究思路和步骤。
3.
The recent history of korean peninsula is a history of convergence of sea power and land power , which is an inevitable result caused by its geographical politics . during the recent history , great powers around once attempted to divide the buffer region - - korean peninsula time and again . during the cold war , the political division of korean peninsula is actually a reality of aspirations 韩半岛的近代史是一部成为海洋势力与大陆势力之力量交汇处的历史，这是其地缘政治意义所导致的必然的结果。在近代的历史上，周边列强曾多次试图分割东亚的缓冲地带- -韩半岛。冷战时期，韩半岛政治上的分裂实际上就是这种欲望的实现。
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