分三段
网络释义
首先从图上可以看出图像可以分为三段，速度v与时间t的函数也因而分三段（OA AB BC）表示，OA与BC段都是常规的一次线性函数， OA段：设v=xt,将t=10 v=5代入解得x=1/2也就是0.5，v=0.5t
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双语例句原声例句
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烘箱分三段加热，温度分别自动控制。
The temperature is automatically controllable in the three-section drying oven respectively.
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故事分三段讲述：入白宫之前、在白宫期间、然后是真正有分量的部分：离开白宫之后所发生的一切。
The story has three acts to it: before the White House, during the White House, and then the really powerful part is what happens afterwards.
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受试验的小鸟只对四分之一、被称之为SEQ2的打乱版鸟儿歌唱作出反应，好像它们注意到其违反了某些语法规则，而另外的三段没有违反语法规则。
The birds reacted to only one of the four jumbled versions, called SEQ2, as if they noticed it violated some rule of grammar, whereas the other three remixes didn't.
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About one-third of Southern white families at one time or another had at least a toehold in slave ownership.
大约三分之一的南方白人家庭,在某一段时期至少都拥有过奴隶
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