1. Objective To observe the efficacy of a multifactorial combination air disinfector in disinfecting indoor air. Ŀ�Ĺ۲�һ�ֶ�������Ͽ��������������ڿ���������Ч����
2. Conclusion: The relationship between self-efficacy and the style of attribution of middle school teachers was variable. ���ۣ���ѧ��ʦ����ʽ������Ч�ܸ�֮��Ĺ�ϵ���ж�̬�仯���ص㡣
3. The efficacy of an alarm clock is explained as a very vigorous sensory input that triggers a large, synchronous assembly. ��������֮������Ч�����Խ��ͳ�һ���dz�ǿ��ĸо����룬����һ�����ͬ����ϡ�
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n.
1. capacity or power to produce a desired effect