In the process of designing of train, choosing reasonable figure of the train head is a crucial step.
在列车设计阶段，合理的选择列车车头形状是一个至关重要的环节。
Drag of the train head is obtained by the method of surface integral and drag coefficient can be computed at the same time.
通过表面积分的方法得到各种列车车头的阻力，进而计算得到了车头模型的阻力系数。
A universal design scheme of automatic open-and-close mechanism for front cover of autonomously developed streamlined train head is proposed.
提出了目前我国自行研制的流线型列车头部端盖自动开闭机构通用设计方案。
A series of train heads is obtained by changing the rate of length and width of a certain train head, in order to know if the rate will affect the drag coefficient.
对于同一种车型改变了它的细长度得到一系列车头模型，分析计算了细长度对车头阻力系数的影响。
The shape of streamlined train head is made of the 3-dimensional space free form surface, whose shape outline curve USES NURBS curve and complex shape surface USES 3-d NURBS surface.
基于流线型的列车头部外形由三维空间自由曲面构成，提出采用NURBS曲线设计外形型线和用三维nurbs曲面描述复杂三维曲面的车头外形设计方法。
In order to research how changing the figure of the train head influences aerodynamic characteristics, especially train head, the thesis brings forward five kinds of models of train head.
为了研究列车车头形状的变化，给空气动力学特性带来的影响，尤其是对车头阻力的影响，本文提出了五种列车车头模型。
The aerodynamic shape design of train head should consider all kinds of factors because the relation between reducing aerodynamic drag and air pressure pulse may be conflictive and uniform.
减小列车空气阻力和降低列车交会压力波，既矛盾又统一，列车气动头部外形设计需要综合考虑各种因素。
Harry came in a little over three years ago and waited at the head of the stairs for the passengers from the 9:05 train.
哈里是差不多3年以前到这里来的，站在楼梯口等待9点05分到站的火车旅客。
Sitting in my seat on the train, my eyes closed, I can see her still. The last line from a Stevie Smith poem comes into my head
我坐在自己的火车座位上，双眼紧闭，但仍能看到她。
The burly man with the disheveled red beard walked swiftly up the platform toward the approaching train, uncovering his head as he went.
那个身材魁梧、胡须蓬乱的男人，迎着进站的火车走去，一边走一边摘下头上的帽子。
A: Wait behind the yellow safety line; refrain from sticking your head out when the train pulls in.
答：等候列车请务必站在黄色安全线后，列车进站不要探头张望。
The creators of high-speed train service here, as they had in France and Germany, set out to turn traditional stereotypes about train travel and plane travel on their head.
如同法国和德国的运营商一样，西班牙高铁的运营商也决定颠覆人们对火车和飞机旅行的传统观念。
Unless I can find a detailed cycling map I'm reserving the right to catch a train when the time comes to head east out of the city.
除非我能够找到一张详细的自行车地图，否则我保留乘火车向东出城的权力。
Hitting a dust mote-sized particle would impart the same kinetic energy as slamming head on into a speeding freight train.
与尘埃级别的颗粒相撞，都可能得到与高速货车迎面相撞的能量。
Or is it the head light of an oncoming Umno train?
或者是它的头部轻巫统一个迎面而来的火车？
I can think of three meanings for the word train right off the top of my head.
看到train，我脑中最先想到的有三个意思。
Srain head on the train is restrained.
在列车上过度用脑受到管理。
Harry just sort of strolled into my head, on a train journey. He arrived very fully formed. It was as though I was meeting him for the first time.
在旅行的火车上，哈利就这么步入了我的脑海。虽然那是我第一次看见他，却好像已经认识了他很久。
When the train started, Judy's father, mother shed tears, smiled and waved at only Dani. Judy gradually see a red head.
火车开动时，朱迪的父亲母亲流下了眼泪，只有丹妮在笑著挥手。朱迪的小红脑袋逐渐看不清了。
On a train you mustn't put your head out of the window.
在乘坐火车时，请你不要讲头和手伸出窗外。
Never poke your head out of a train window.
绝不可把你的头伸出火车窗外。
As one person masters the head, a second follows under a train of fabric representing the body.
一个人控制狮头，第二个人藏在外罩下面，代表狮子的身体。
Analyses and compares the diffusion regularity of fire smoke with and without screen doors when fire occurs in the middle or head of the train separately.
分析比较了地铁列车中部和头部分别发生火灾情况下有、无屏蔽门时烟气的扩散规律。
I met my Senior High School mate by chance, he is in internship as the head of the train, quite funny.
偶然碰到高中隔壁班的同学，居然他是这班列车的实习列车长，真是有趣。
I met my Senior High School mate by chance, he is in internship as the head of the train, quite funny.
偶然碰到高中隔壁班的同学，居然他是这班列车的实习列车长，真是有趣。
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