实验者

Experimenters have succeeded in controlling the rate and regularity of the heartbeat.

实验者已经成功控制了心跳的速度和频率。

When the experimenters repeated the tests on themselves, they observed an exactly opposite effect.

当实验者在自己身上重复测试时，他们观察到了完全相反的效果。

The automatic analysis may be helped withinteraction of the experimenter.

自动分析也可因实验者的参予而得到帮助。

The automatic analysis may be helped by interaction with the experimenter.

自动分析也可因实验者的参与而得到帮助。

This is the theory the authors like - and so do I.

实验者喜欢这个理论 —— 我也是。