He examined the machine, worked a lever that lifted the lid.
他检查了机器，并使用杠杆打开盖子。
他做了一个杠杆。
When I got to this result, I pointed out that therefore, you can use the lever rule.
当我得到这个结果时，我指出，因此，你可以使用杠杆法则。
To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.
为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。
The lever gets them out of the box, but after more and more trials, they stopped scratching at the bars and pushing at the ceiling.
杠杆让它们出了盒子，但在越来越多的尝试之后，它们不再抓栏杆和推天花板。
If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.
如果灯亮了又灭了好几次，海豚就应该先按左手的杠杆，再按右手的杠杆。
If you want to become rich and not be a victim of global changes, it is important that you develop the greatest lever of all: your mind.
如果你想致富，而不是让自己成为全球性变革的受害者，重要的一点就是你要开发最强大的杠杆：您的大脑。
It had a movable carriage, a lever for turning paper from line to line, and a keyboard on which the letters were arranged in alphabetical order.
它有一个可移动托架，有一个能把纸从一行转到另一行的杠杆，还有一个按字母顺序排列的键盘。
Students in university towns may also have access to another lever for involvement in accelerated math: math circles.
大学城的学生可能还有另一种参与进阶数学的手段：数学圈。
Planning documents pledged that the great legacy of the Games would be to lever a nation of sports lovers away from their couches.
规划文件承诺，奥运会的伟大遗产将让一个国家的体育爱好者远离他们的沙发。
I'm having trouble with this gear lever because I'm left-handed.
我难于操纵这个变速杆，因为我是左撇子。
When the water reaches a certain level, it moves a lever and this shows the hours.
水位达到一定高度时，水将推动一个控制杆，从而显示时间。
It was called the anchor escapement, which was a lever-based device shaped like a ship's anchor.
它被称为锚形擒纵器，是一种基于杠杆的装置，形状像船的锚。
We managed to lever the roots out.
我们设法将树根撬掉。
It's the ratio of these lever arms.
这是这些杠杆臂的比值。
From the mightiest lever to the tiniest pinion.
从最大的杠杆到最小的齿轮。
Considering the circumstances, should you pull the lever?
想想这个情况，你应该拉拉杆吗？
And when the chimpanzee slaps the lever, it gets some food.
当黑猩猩拍杠杆的时候，它就能拿到食物。
In these studies, they put a chimpanzee in a room and there's a lever.
在这些实验中，黑猩猩被放到一个房间，房间有根杠杆。
We owe both the lever system in our jaws and small bones in our ear to our shark ancestors.
我们颚部的杠杆系统以及耳中的小骨链都拜鲨鱼祖先所赐。
The next lever may be IMF review of China's economy, likely to be completed in September.
另外一个手段可能是IMF对中国经济的评估，该评估有可能在9月份完成。
The author considers psychological concepts as a big lever in the software engineering industry.
作者将心理概念看作软件工程行业中的一个重要杠杆。
Then the cycle was adjusted and rats were required to press the lever twice to get a single dose.
接着，调整实验条件，小鼠们必须按操作杆两次才能得到一剂药物。
From a utilitarian point of view, the obvious choice is to pull the lever, saving five and only killing one.
从一个功利主义者的观点来看，明显应去拉拉杆，只杀死一个人来拯救五个人。
From a utilitarian point of view, the obvious choice is to pull the lever, saving five and only killing one.
从一个功利主义者的观点来看，明显应去拉拉杆，只杀死一个人来拯救五个人。
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