综合经济性原则；
本文计算分析了浅吃水船的阻力、推进性能、适航性、操纵性及综合经济性后，给出了供方案探讨时选择主尺度方案的简便图谱。
In this paper the resistance, propulsive performance, seakeeping quality, manoeuvrability and economical criterion of a shallow draught vessel are calculated and analysed.
结果表明，该方法可提高工程车辆动力性、经济性、作业生产率综合性能和实现自动化。
The results indicate that it will improve vehicles' power performance, energy economy and productivity, and it is an effective way to realize robotization.
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