... 双臂受电弓 double arm pantograph 弓头 pantograph bow 受电弓滑板 pantograph pan ...
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... The love to me » 对我的爱 bow head » 弓头 Round to pointed bloom depending on cultivars » 圆对针对性的绽放根据培育品种 ...
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The geometric parameters are calculated by using the single objective optimization technique and a series of parameters obtained optimized the pantograph performance. Also, the optimization result is analyzed thoroughly.
首先,在建立受电弓框架结构的几何关系模型的基础上,根据列车平稳受流对受电弓机构提出的具体要求,以弓头平衡杆的平动为目标,以受电弓机构正常工作所要满足的条件为约束,运用单目标优化技术,对受电弓机构进行了优化,得到了使受电弓性能达到最优的几何参数,并对优化结果进行了深入的分析。
参考来源 - 受电弓机构几何参数优化与主动控制的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
有一种鲸鱼叫做“弓头鲸”,可以活两百年之久。
There is one kind of whale, called a Bowhead whale, that can live to be 200 years old.
将非线性有限元理论应用于机车受电弓弓头弹簧系统的研究。
A nonlinear finite element method was applied in the research of the collector head spring system of pantograph.
北极露脊鲸,弓头鲸生活在北冰洋的一种有鲸须的鲸鱼,具有大的头部和拱形的上颚。
A whalebone whale of Arctic seas, having a very large head and an arched upper jaw .
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