1. How much blackness surrounds a singularity �C in effect, the size of the black hole �C is defined by the strength of its gravitational pull. ��ʵ�ϣ������Χ�ж��һ��ڰ�����Ҳ���Ǻڶ��ijߴ磬��������������������С�������ġ�
2. We pointed out the main distinctions between strong singularity problems in topology optimization and those which only have weak singularities. ��ϸ�����˴��������Ż�������������������Ե������Ż�����֮��ı�������
3. The results show that this parallel manipulator has a large workspace, and no singularity in the useful workspace, so it is an ideal parallel manipulator for laser cutting. �о������û������нϴ�Ĺ����ռ�������Ч�Ĺ����ռ��ڲ��������죬��һ�������Ӧ���ڼ����и�IJ���������
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n.
1. the quality of being one of a kind
2. strangeness by virtue of being remarkable or unusual