1. Their mission to breach sophisticated security systems and then report back on how they did it. ���ǵ�������ͻ�Ƹ��ӵİ�ȫϵͳ��Ȼ����������ô�����ġ�
2. Rational product design, sophisticated production equipment, advanced manufacturing processes and improve the quality of the system. �����IJ�Ʒ��ƣ������������豸���Ƚ������칤�գ����Ƶ��ʱ���ϵ��
3. But whereas cars, computers and so forth have become ever more sophisticated, power grids have remained, in essence, sets of dumb wires. ��������Ȼ���������ԵȲ�Ʒ���Խ��Խ���ɣ�����ȴ�ӱ����Ͻ���Ȼ��һ��һ���۵ĵ��ߡ�
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adj.
1. having or appealing to those having worldly knowledge and refinement and savoir-faire
2. ahead in development; complex or intricate
3. intellectually appealing
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