求翻译：让受试者平放在桌面上，手心向上，继续增大刺激频率，尝试观察手指在高刺激频率下产生的强直收缩反应。然后撤去刺激器，停止实验。是什么意思？

Subjects flat on the table, palms up, to continue increasing the stimulation frequency, try looking at the finger in the high stimulation frequency tetanic contraction in response. And then removed to stimulate, to stop the experiment.

Let the subject flat on a table, palm up, and continues to increase stimulation frequency, try to watch your fingers in the high-frequency stimulation of the contraction response has been strong. And then withdrawn to stimulate server, stop experiment.

Let place evenly trying on the tabletop, the control is upward, continues to increase the stimulation frequency, the attempt observation finger the straight contraction response which produces under the high stimulation frequency.Then withdraws the stimulator, stops the experiment.

Let participants placed on the desktop, Palm up, continue to increase the stimulation frequency, try to observe the finger at high stimulation frequency tetanic contraction response of. And then removed Stimulator, stopped the experiment.

正在翻译，请等待...