1. Those with propinquity shall not hold posts concurrently in the Foundation's Board of Directors. ���н�������ϵ�IJ���ͬʱ�ڱ���������»���ְ��
2. Their relationship could not be explained as being based on mere propinquity: they were more than relatives; ���ǵĹ�ϵ���ܱ�����Ϊ���ݽ����ǽӽ������ǵ��������ϣ�
3. To avoid propinquity inheritance, a kind of self-adaptive crossover probability is also designed and better optimization is gained. Ϊ�˼��ٽ����Ŵ������л������һ������Ӧ������ʡ�