1. It allows the train to maintain a constant speed through the twists and turns of existing track.
它可以让火车在现有蜿蜒盘旋的轨道上保持匀速。
《柯林斯英汉双解大词典》
2. On the track, the form embodies power. Each curve and line is moulded for speed.
在赛道上，外形体现了力量，每条曲线和线条都是为了速度而塑造的。
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3. And the weight of the spacecraft orbit, the rocket needed to provide energy and speed varies, with a variety of track between the speed of a certain relationship.
航天器的重量和轨道不同，所需火箭提供的能量和速度也各不相同，各种轨道与速度之间有一定的对应关系。
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4. Like racing cars that swerve and hit each other on a circular track, the moons' speed relative to each other is low because they travel in nearly the same orbit.
这有点像是突然转向的赛车在环形赛道上相撞，月亮们也在同一轨道公转，所以他们之间的相对速度很小。
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5. The running speed (on a running machine in laboratory conditions or on the track) accelerates progressively, by successive levels.
跑步速度需要连续地增加（在实验室的跑步机或在跑道上）。
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6. The Track Safety Standards (49 CFR Part 213) specify requirements for nine classes of track based on maximum allowable speed.
《轨道安全标准》（《联邦法典》第14卷第213部分）根据最大容许速度，就九个等级的铁轨明确了要求。
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7. To track down the true limits on your applications' speed, you need to be prepared to tackle both the hard and the easy problems of performance.
要追踪到您的应用程序在速度上的确切限制，您需要准备处理困难和简单的性能问题。
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8. No fast track success and happiness is not the success of all high-speed road, all from the tireless efforts; all happiness, all from the extraordinary struggle and perseverance!
9. Bonus: It's often more fun than running alone, especially if you're doing a long run, or a speed workout on the track.
额外好处：结伴锻炼比起一个人孤零零的跑步要有趣的多，尤其是长跑或是在跑道上进行速度训练时。
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10. Two world records were set during the Vancouver Olympics, both in short track speed skating and both by China.
温哥华冬奥会打破了两项世界记录，都是中国选手在短道速滑比赛中打破的。
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11. He told us that magnetic north is moving at a speed of 50 kilometers - about 30 miles - every year. He said that scientists nowadays use satellites to track the changes.
12. Kennedy missed the main road and, driving at speed down a narrow dirt track, ran off a narrow bridge.
肯尼迪错过了主干道，飞快地冲下一条狭窄的泥土路，冲出一条窄桥。
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13. Team USA is guaranteed at least a silver in women's hockey, and it should pick up MEDALS, some of them gold, in Nordic Combined, speed skating, short track and perhaps bobsled.
14. Born in 1991, she is the youngest member of the Chinese women's 1500 meters short track speed skating team.
周洋生于1991年，她是中国女子1500米短道速滑队里面年纪最小的一个。
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15. However once it leaves the city, the vehicle is able to switch to a dedicated concrete track which runs parallel to the motorway and accelerate to a cruising speed of around 150mph.
16. Competitors speed down the track and through the air as though they could fly.
参赛者沿着轨道加速，快速地在空中滑翔，就像是他们会飞一样。
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17. Bell was referring to an internal tube carrying air that can affect the aerodynamics of the rear wing and provide extra speed on the two long straights on the Sakhir track.
18. On the track, running speed can be controlled with the help of sound markers and visual markers (' beep 'every 50m) or a bike equipped with a speedometer.
在跑道上，速度可以根据停表等控制(每50m响一下)或者由一辆带速度计的自行车跟着。
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19. In the pdf map attached to this story there is a bar chart, Japan should have been shown as having 2, 452km of track enabled for high-speed trains, rather than 1, 285km.
20. Many people with hectic lifestyles today are turning to the Internet, online lonely hearts, dating websites and speed dating to help them track down a partner.
24. The newly designed backstepping control is implemented for permanent magnet synchronous motor (PMSM) to trackspeed commands, at the same time the design can provide better speed tracking performance.
设计的反推控制可以实现永磁同步电动机速度跟踪控制，保证系统具有良好的速度跟踪性能。
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25. Eighteen-year-old Zhou Yang became a national hero after she won a gold medal in the women's 1, 500 meters short-trackspeed skating during the Vancouver Winter Olympics last month.
18岁的周洋上个月在温哥华冬奥会赢得短道速滑女子1500米比赛金牌之后成为了中国的民族英雄。
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26. Eighteen-year-old Zhou Yang became a national hero after she won a gold medal in the women's 1,500 meters short-trackspeed skating during the Vancouver Winter Olympics last month.
18岁的周洋上个月在温哥华冬奥会赢得短道速滑女子1500米比赛金牌之后成为了中国的民族英雄。
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27. Eighteen-year-old Zhou Yang became a national hero after she won a gold medal in the women's 1,500 meters short-trackspeed skating during the Vancouver Winter Olympics last month.
