1.
Practise varying your speed until you gain some control over it.
练习改变速度，直到你能够加以控制。
2.
Throughout all these changes, living creatures have evolved with a speed that has matched that of the changing landscape.
在这些转变中,生物的进化速度 和地势的改变速度相配合
3.
A change in the direction of a motion requires a force as does a change of speed.
改变运动方向正象改变速度一样需要外力的作用。
4.
varying the pace/speed at which you work
改变你的工作节奏[速度]
5.
A short movement of the shift lever and the gear changes instantly.
变速杆操控灵活，能够迅速改变行驶速度；
6.
Automatic tracking the cutting speed: do not need to change the cutting angle if the glass ribbon speed changed.
切割速度自动跟踪：玻璃带速度发生变化，不需要改变切割角度。
7.
The driver can vary the speed of an automobile.
司机可以改变汽车的速度。
8.
The rate of migration varies with molecular size and shape.
泳动速度随分子大小和形状而改变。
9.
Move the sliders to change the speed that the cursor blinks (cursor blink rate) and the width of the cursor.
移动滑杆来改变光标闪烁的速度(光标闪烁速度)和光标的宽度。
10.
The extent to which technology has changed college life and the speed with which it has done so I whirled through transfigurations up and down,transfigurations of size and shape and place: at one sudden point came still,stood in wonder: moss,beggar,weed,tick,pine,self,magnificent with being! is quite remarkable.
技术改变大学生活的程度和速度相当显著。
11.
If the angular velocity of a body changes, it is said to have an angular acceleration.
如果物体的角速度是改变的，就说这个物体具有角加速度。
12.
A change in the direction of motion requires a force just as a change of speed does.
运动运动的改变要求一个力，正象速度的改变也要求一个力一样。
13.
Double-tap the grid until the blocks change color to set your speed and distance.
请双击网格，使方块改变颜色来设置速度和距离。
14.
The inductosyn can be used as a speed transducer.
如改变测量时间,则可作为一种速度传感器使用。
15.
Q: How can I change the maximum speed of uploads and downloads?
问：我怎么才能改变上载与下载的最大速度？
16.
How can I change the maximum speed of uploads and downloads?
我怎么才能改变上载与下载的最大速度？
17.
a transmission that automatically changes the gears according to the speed of the car.
依照汽车的速度自动改变档位的传动装置。
18.
How would the relative velocity be altered if B were ahead of A?
假如B在a前面，那么相对速度怎样改变呢？