1. Mutual Factor is divided into mutual space/distance factor, mutual intercourse frequency factor, mutual similarity factor, mutual complementary factor and mutual adoration factor. ˫���������ر��ֳ�˫���ռ�������ء�˫������Ƶ�����ء�˫���������ء�˫���������غ��������أ�
2. It mainly exists historical factors: foreign factor, social factor, cultural factor, market factor, political factor, legal factor and so on. �������ԭ���Ƕ��ģ���Ҫ����ʷ���ء��������ء�������ء��Ļ����ء��г����ء��������ء��������صȡ�
3. The cumulative contribution of the first 5 factors was up to 81. 1320%. The first component factor was the cutting factor and others were branch factor, plant height factor etc. 5����ѡ�������ɷ��ۻ�������Ϊ81��1320%�����е�1���ɷ�Ϊ�����ӣ�������Ϊ46��3890%����2�͵�3���ɷ�Ϊ��֦�����Ӻ߶����ӡ�
4. Analysis of factor of have the aid of gives 6 from the abstraction in these 20 initiative index advocate factor, name through factor, make clear each advocate the economic implication of factor. �������ӷ�������20����ʼָ�������������������ӣ���ͨ��������������ȷ�������ӵľ��ú��塣
5. Vascular endothelial growth factor and pigment epithelium-derived factor are most enhancing factor and strongest inhibitory factor of corneal neovascularization(CNV)at present. Ѫ����Ƥ�������Ӻ�ɫ����Ƥϸ������������Ŀǰ���ֵ�������ǿ�Ľ�Ĥ����Ѫ���γɴٽ����Ӻ��������ӡ�
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