我们平均时速为42英里。
筏子航行时平均时速4海里。
火车平均时速位居世界第一，三小时内可走完全程664公里。
The train has the world's fastest average speed, traversing 664 miles in a little over three hours.
在几分钟内这辆车行驶同样距离需要的平均时速是多少？
At what average speed in kilometers per hour would this car need to cover the same distance in minutes?
相反，法国巴黎至里昂的高速铁路平均时速高达140英里。
The French TGV from Paris to Lyon, by contrast, runs at an average speed of 140mph.
快速公交系统的载客量和平均时速指标不逊于轨道交通系统。
A BRT system has the same properties as a rail-bound system when it comes to passenger capacity and average speed.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
经过一番努力后，坎贝尔了解到他的平均时速是299英里，大感失望。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
然而，几天之后，有人告诉他说弄错了。他的平均时速实际是301英里。
However, a few days later, he was told that a mistake had been made. His average speed had been 301 miles per hour.
这辆车最高时速达到140英里，围绕37.7英里的跑道平均时速达94.66英里。
The bike hit a top speed of 140 mph and lapped the 37.7-mile course at an average speed of 94.66 mph.
这差不多是全世界运载旅客火车的最高平均时速，也把这段原本需要10个半小时的行程，缩减为了3个小时。
It's the fastest average speed in the world for a passenger train and cuts the trip time from 10 and a half hours to three hours.
整个行程仅仅花到5个小时的时间，大概是两个城市飞行时间的两倍多一些。其平均时速达到了300公里。
The whole trip will take just under five hours — more than twice the flying time between the two cities — with average speeds of 300 kilometers per hour.
比尔·罗登·卡尔拥有八辆珍品哈雷摩托，还曾骑着自己的1914年产哈雷(以37英里的平均时速，用时16天)横穿美国。
Bill Rodencal owns eight vintage Harleys and rode his 1914 bike across the country (16 days at an average of 37 MPH).
然而，当在上述两个城市之间运行时，它不会满负荷工作，而是会把时速控制在平均350公里每小时。
It will, however, travel between the two cities at less than full tilt, at an average speed of 350 km per hour.
研究表明，超过平均大学水平或与之相当的人在休闲阅读时速度均保持同一水平。
Studies show that people who read at or above the college level all read at about the same speed when they read for pleasure.
由于这个丘陵地区的平均风力时速只有29公里，因此风车不能全部运动。
Because of this hilly area, the average wind speed of only 29 km, and therefore not all sports windmill.
现在明白了吗，t时刻，的瞬时速度是怎样定义的，与两时刻间的平均速度相比，瞬时速度并不一样。
And now you will understand how we define the instantaneous velocity at time t which is different from an average velocity between two time intervals.
我在保持速度踩踏板，时速10英里，我必须，平均产生每秒15焦耳。
So I'm pedaling, and I keep my speed ten miles per hour, and I have to generate 15 joules per second on average.
唯一的缺点就是它们尝起来就像树叶树懒的平均行进时速能达到每分钟3英尺左右这可要比一只死树懒每分钟快逆天的3英尺啊。
The only drawback being, they taste like leaves on average, the sloth can move around 3 feet per minute, which is an impressive 3 feet per minute faster than a dead sloth.
在t1和t2之间的，这段平均加速度2，等于t2时刻的速度2，减去t 1时速度，再除以。
The average acceleration 2 between time t1 and time t2 2 would then be the velocity at time t2 minus the velocity at time t1, divided by t2 minus t1.
从瞬时速度、脉动速度和平均速度分布等方面对湍流流动进行了分析。
Based on the distribution of instant velocity, fluctuating velocity and average velocity, the flow status of turbulent flow is analyzed.
从瞬时速度、脉动速度和平均速度分布等方面对湍流流动进行了分析。
Based on the distribution of instant velocity, fluctuating velocity and average velocity, the flow status of turbulent flow is analyzed.
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