The experimenter is back there with the speed knob and at random intervals, he just speeds up the tape of their heart and then slows it down.
实验者带着速度旋钮回到那里，在随机的时间间隔里，他只是给他们的心跳录音带加速，然后再减速。
Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob that can be turned up or down to change its strength.
四种基本力(重力，电磁力，强作用力和弱作用力)都有一个理论把手，调节这东西可以改变力的强度。
And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.
实验者回到实验室，带着录音设备，随机地，他加速了心跳的录音，然后又慢下来。
Press down on knob and turn clockwise one full turn to properly engage threads on stem boss.
将旋钮压下，顺时针旋转一整圈，使其完全嵌入到阀杆轮箍的螺纹里。
There's like 18 knobs, you turn a knob up or down, and you're there. The outcome is pretty measurable.
温控系统大概有18个温控旋钮，你可以把一个旋钮调高或调低，结果都是很容易衡量的。
There's like 18 knobs, you turn a knob up or down, and you're there. The outcome is pretty measurable.
温控系统大概有18个温控旋钮，你可以把一个旋钮调高或调低，结果都是很容易衡量的。
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