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。

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.

youdao

所以，包含拉绳子或操纵杠杆的测试就会对猫有利，而包含从一个地方移动到另一个地方，速度作为评定表现的标准的测试就对狗更有利。

Thus a test that involved pulling strings or operating levers would tend to favor a cat, while a test involving moving from place to place, where speed is a measure of performance, would favor a dog.

youdao

在这片区域里，放在男士袜子中的一只鸽子看着“目标”的图案。 它可以通过啄四个杠杆来使“目标”上下左右移动。

The pigeon could then peck on one of four levers that moved the 'target' up, down, left and right.

youdao