目的：研究口外力与肌激动器联合使用对于咬肌与颞肌前束的肌动电流的影响。
Objective: To study the electromyographic activity of masseter muscle and anterior temporal muscle in response to treatment with headgearactivator combination.
结论：正中咬合时，是否有咬合接触关系对颞肌前束的肌电活动有明显影响，而对咬肌的肌电活动无明显影响。
Conclusion: Vertical distance occlusion contact may affect the EMG activity of temporalis-anterior muscle but not on that of masseter muscle during the central biting.
我紧紧握住手上的一束鲜花，犹豫地站在门和那些门铃前。
Clutching my bunch of flowers, I hesitated in front of the door and all the bells.
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