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In the paper, the effects of mooring position, towing line length and towing speed on the course stability and towline tension are analyzed firstly for the ship towing system in calm water.
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由于在实际海况中,除了受到风、流的影响之外,波浪作用力所造成的影响更为巨大,在波力及波力矩的作用,船只航行的航向稳定性与静水中相去剩甚远。 |
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In the paper, the fundamental equtions for vibration problem of circular plate in transverse magnetic field are derived and the vibration speciality of a circular plate fixedly supported at circumference is investigated.
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摘要给出了横向磁场中圆形薄板振动的基本方程,并对周边固支圆板的振动特性进行了分析。 |
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In the paper, the high-voltage insulation property of the lift is designed and analyzed firstly, and then according to the dynamic model of the lift, the optimum design is implemented.
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首先对绝缘升降平台的高压绝缘性能进行了设计和分析,并根据升降平台的动力学模型,对绝缘升降平台的结构进行了优化。 |
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In the paper, the influence of the Westphal's pheonmenon of the movement of the pump valve and the compressibility of the liquid on the continuous flow condition of liquid in the cylinder being not only comprehensively considered, but also the dynamic pro
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本文综合考虑了液体可压缩性、泵阀运动的魏氏效应对泵筒内液体连续流条件的影响,并考虑了泵阀运动的动力特性,建立了新的泵阀精确运动微分方程,该数学模型不存在奇点问题。 |
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In the paper, the membership of every target and the mathematical model of multi-grade fuzzy comprehensive appraisment are set up by using the fuzzy theory and means.
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摘要该文利用模糊数学的理论和方法,建立了各评价指标的隶属函数和多级模糊综合评判的数学模型。 |
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In the paper, the necessity of the research of Warship power system reliability and the process of the research in the world are discussed firstly.
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摘要讨论了舰船电力系统可靠性研究的需求和必要性,以及国内外的研究现状。 |
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In the paper, the organization, management, models and tools of the kn owledge integration are discussed.
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本文对知识集成的概念、集成方式、集成模型和工具等进行了讨论。 |
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In the paper, the properties of matching polynomial and matching unque, and Y-graph is not matching unque, and matching polynomial of snake tree and ring graph, ets.
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摘要文章主要研究特殊图的匹配多项式唯一的性质,得到了星图为匹配唯一的、蛇树和轮环图的匹配多项式及Y形图不是匹配唯一的等结论。 |
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In the paper, the randomness in the constitution of the sliding mass, in the from of sliding and in the shear strength of the sliding surface is considered, the anti-slide reliability of one arch dam is analyzed, and satisfying results are obtained.
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文章在考虑滑移体的构成、滑动面抗剪断强度参数等的随机性的基础上,使用可靠度理论,对拱垻垻肩抗稳定可靠度进行分析;以某拟拱垻为算例,计算结果是比较理想的。 |
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In the paper, the researchers underscored the importance of limiting sun exposure such that the skin does not change color (tan) or burn.
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在论文中,研究人员强调了阳光照射限度的重要性,例如皮肤不能改变颜色(晒黑)或者晒伤。 |
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In the paper, the simplified methods of route shape, length, angle and the measure of topology maintenance in map simplification are discussed, such map form possesses high application value in LBS service because it can ease user's cognition burden.
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这种地图不仅能满足空间认知需要,而且能缓解目前在LBS应用中存在的地图数据与屏幕大小的矛盾,适应移动环境下用户的多行为状态和终端硬件特点。 |