1. Results R(r) wave amplitude with the right forehead as the reference point was significantly larger than that with the central terminal as the reference point (P<0. 05). �������ǰ��Ϊ�αȵ��¼���ĵ�ͼR��r��������������ĵ��Ϊ�αȵ���ĵ�ͼR��r��������������Բ��죨P<0��05����
2. Newton's first law generally set up as the inertial reference frame of reference, so this law in practice, the definition of inertial reference frame of this important concept. ͨ����ţ�ٵ�һ���ɳ����IJ���ϵ��Ϊ���Բ���ϵ�������һ������ʵ���϶����˹��Բ���ϵ��һ��Ҫ���
3. In this paper circular uncoded targets and coded targets are used as reference points, and an algorithm of automatic reference point detection is proposed. ���в���Բ��Ŀ�꼰����Ԫ����Ϊ��ǵ㣬�����һ�ֱ�ǵ��Զ�����㷨��
4. Based on CNC table. a reference point presetting method is introduced giving a reference to NC machine to of users and makers. ���������س���Ϊ�����ܲο������õķ��������û���ͬ�вο���
5. The result with the reference of a point at infinity was derived from a newly proposed reference electrode standardization technique (REST) based on the equivalent distributed source theory. ��������Զ��ο���ͨ��һ�ֻ��ڵ�Ч�ֲ�Դ���۽����IJο��缫У������������õ��ġ�
Blank detail specification for volt age regulator diodes and voltage reference diodes excluding temperature compensated precision reference diodes ��ѹ�����͵�ѹ�������� (�����¶Ȳ������ܻ�������) �հ���ϸ�淶 (�ɹ���֤��);
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