This paper introduces control of motors by using frequency-transformer, which changes two kinds of speed(faster and slower) into gearless speed regulation.
采用变频器进行电动机控制，将原来只有快、慢两个速度的电动机变成了无级调速；
Two electrodes that measure changes in the body's surface moisture are attached to the palms of your hands.
测量体表湿度变化的两个电极被连接到你的双掌上。
Many changes took place between the two world wars.
两次世界大战之间发生了很多变化。
A two thirds majority is needed to make changes.
需要2/3的多数人同意才能做改变。
Two major changes—satellite and Internet radio—will force radio advertisers to adapt their methods.
两个主要的变化——卫星和网络广播——将迫使广播广告商调整他们的方法。
Two things result from these changes in breathing control that occur during sleep.
有两件事是由睡眠中呼吸控制的变化引起的。
Advertisers using the print media—magazines and newspapers—will need to adapt to two main changes.
使用印刷媒体（杂志和报纸）的广告商将需要适应两个主要的变化。
In my guidelines for saving the environment, I suggest modest changes, like eating vegetarian meals two days a week.
在我的拯救环境指南中，我建议适度改变，比如每周吃两天素食。
The two students prove that life is full of changes and possibilities.
这两个学生证明了生活是充满变化和可能性的。
Great changes have taken place in our school in the past two years.
在过去的两年里，我们学校发生了很大的变化。
The color changes are executed by two different kinds of cells in the octopus' skin, mainly by color cells on the skin's surface call chromatophores.
颜色的变化是由章鱼皮肤上的两种不同的细胞造成的，主要是皮肤表面的色素细胞。
After two years, Habibi and her colleagues reported seeing structural changes in the brains of the musically trained children, both locally and in the pathways connecting different parts of the brain.
两年后，哈比比及其同事报告称，发现受过音乐训练的儿童，他们的大脑在局部和连接大脑不同部位的通路上都发生了结构变化。
We may make one or two changes.
我们可以作几处改变。
The team has made some positional changes because two players are injured.
因有两名队员受伤，这个队将队员做了些位置上的调整。
This is because he can make seventy-two changes to his shape and size.
这是因为他可以对自己的形状和大小做出72种改变。
This can have disastrous consequences if there are behavioral changes between the two build configurations.
如果有些行为在两个构建配置中有变化，这会产生灾难性后果。
Fixes that require changes to two or more subsystems should go through the board to ensure that all parties agree to the solution.
需要变更两个或多个子系统的修改应该需要通过变更委员会来确定每个部分都达成一致意见。
I think the two changes are related.
我认为这两个变化是此消彼长的。
Two changes have been made to exception handling.
关于异常处理有两个变化。
Then we're getting two changes per beat.
然后我们发现每一拍有两次改变。
Today two changes are making them matter much more.
现今有两个变化正在使他们变得更重要。
With these changes, the two different topologies have been added in a mostly transparent fashion.
随着这些改变，这两种不同的拓扑已经以近乎透明的方式被引入了。
These were two major changes in the council's position, Mr Trichet underlined.
特里谢强调这是理事会工作的两个重要变化。
Two other changes are urgently needed.
还有另外两个改变亟待进行。
Yet two changes are now afoot.
然而，现在有两大改变即将来临。
Several changes have been made to the data types that JDBC supports and, as a part of the changes, two new data types have been added.
JDBC所支持的数据类型作了几个改变，其中之一是增加了两种新的数据类型。
On average, we make one or two changes every day.
平均地，我们每天的做出一到两个改进。
This predisposition is being reinforced by two big changes in the emerging world.
新兴国家正在发生的两大转变强化了这种倾向。
Supposing I have seventy-two changes, my dream would come true.
假如我有七十二变，我要实现我的愿望。
There are actually two changes here.
这里实际上有两处更改。
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