1. The influences of rarefied gas effect on the hard disk drive system were investigated using theory analysis and numerical simulation. ������ۺ���ֵ���������ϡ��ЧӦ�Դ�ͷ/����ϵͳ����϶��Ӱ�졣
2. By most measures, the pair have succeeded in re-creating the rarefied world of a top university department, right down to the tea ritual. ������ļ�����ʾ����Դ�Ѿ��ɹ��ذ�����ɶ����ѧݼӢ����ɵ����壬����������������ⷰ顣
3. The rarefied gas flow around two-dimensional rectangular was simulated by Direct Simulation Monte Carlo (DSMC) method, using air as working fluid. ���IJ���ֱ��ģ�����ؿ�������ϡ�������ά�ⲿ�������������������ֵģ�⡣
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adj.
1. having low density
2. reserved for an elite group
3. of high moral or intellectual value; elevated in nature or style