我们可以逐步安全地加快速度。
头发生长的速度可以慢得令人苦恼。
你可以想像以每小时30英里的速度，开车向一面砖墙撞去会是什么样子。
You can imagine what it would be like driving a car into a brick wall at 30 miles an hour.
如果你想提高跑步速度，你也可以向你的体育老师寻求建议。
If improving your running speed is something you'd like to work on, you could also ask your gym teacher for advice.
这些镜子可以在几千英里的高空以地球绕地轴旋转的速度运行。
The mirrors could orbit—thousands of miles high—at the same speed as the earth turns on its axis.
有研究表明，在道路上画上笔直的横杆，可以在开始将司机的平均速度降低一半。
Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half.
或者，稳定性可以被定义为生态系统在发生重大扰动，如一场火灾后，恢复到特定形式的速度。
Alternatively, stability can be defined as the speed with which an ecosystem returns to a particular form following a major disturbance, such as a fire.
它可以研究人类球员的动作和球的速度。
It can study the movements of human players and the speeds of the ball.
给合适的计算机一个庞大的人脸数据库，它就可以以惊人的速度和精度处理看到的东西，然后按照指示识别人脸。
Give the right computer a massive database of faces, and it can process what it sees—then recognize a face it's told to find—with remarkable speed and precision.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
我们可以以每小时480公里的速度飞行，避开红绿灯和繁忙的道路。
We could fly at 480 km per hour, avoiding traffic lights and busy roads.
他们可以通过声波反弹的速度来判断不同物体之间的距离。
They can tell the distance of various objects by how quickly the sound waves bounce back off them.
通过编制全球数千次地震的地震速度图，他们还可以开始绘制地幔的温度和密度图。
By compiling a map of seismic velocities from thousands of earthquakes across the globe, they can also begin to map temperatures and densities throughout the mantle.
这个驱动器是 AB 电动技术的代表产品，它是一个定向控制可以分别控制速度和扭矩。
The drive features AB's Force Technology, a field-oriented control that permits independent control of speed and torque.
便携式摄像机可以高速度倒带或快进。
严寒可以使身体新陈代谢的速度下降。
你可以这样做，但这不会提高程序的速度。
You could have, but it would not have increased the speed of the program.
卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。
Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".
逃逸速度就是一个物体的速度，比如说，从加农炮中射出的最小初始速度，这样这个物体以后就可以自己脱离地球的引力。
Escape velocity is simply the speed of an object that's shot out of a cannon the minimum initial speed so that the object could later escape Earth's gravity on its own.
司机可以利用操纵杆之类的来控制方向和速度，这样车辆可以原地旋转并加速得相当快。
Drivers use a joystick of sorts to steer and throttle the vehicle, which can spin in place and accelerates rather quickly.
我们可以把速度放慢点儿。
我可以测量它了，因为我把它拉到了一厘米，我发现它对一个已知质量施加的加速度。
I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.
这台机器使用了一种技术，可以自动调整任何正在播放的歌曲的速度和音调，以配合歌手所使用的节奏和音调。
The machine uses a technology that automatically adjusts the speed and tone of any song being played to match the tempo and key the singer is using.
现在，这样的速度是很不寻常的，比冰川的正常移动速度快几百倍，但是你可以看到冰川在这些涌动中移动，虽然很少见。
Now, speeds like that are pretty unusual, hundreds of times faster than the regular movement of glaciers, but you can actually see glacier move during these surges, though it is rare.
埃博拉病毒十分致命，致死速度极快，以至于在短时间内，周围没有健康的人可以再被病毒感染。
Ebola was so deadly and killed so quickly that within a short period of time, there was no one around to infect.
它们可以以每小时200英里的速度移动，造成巨大损害。
They can move over 200 miles per hour and cause a lot of damage.
有一些人说，你可以以超高的速度学习阅读。
There are some people who say that you can learn to read at super-high speeds.
通过感知车辆的重量，该公司的智能道路可以追踪每个车轮的速度。
By sensing the weight of a vehicle, the company's smart roads can track the speed of each wheel.
这是中国长距离运行的最快 EMU 列车，其最高速度可达350公里/小时。目前，G 型列车可以在3小时内跑完1068公里的武广高铁。
This is the fastest EMU train running for long distances in China, the top speed of which could reach 350km/h. Currently, the G train could finish the 1068 kilometer Wuhan Guangzhou High-Speed Railway in 3 hours.
5G 网络的速度大约是 4G 的10倍，这意味着你可以使用 5G 网络瞬间就能下载一部电影。此外，虚拟现实游戏将开始变得更受欢迎。5G 将使虚拟现实游戏更加真实。
5G networks are about 10 times faster than 4G. This means you can download a movie in seconds using 5G. Also, VR games will become more popular with 5G. 5G will make the VR games even more real.
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