The exterior connection is manifested by the node position in different scale region tourism resources clusters. 以外部关系为突破口,分析了无尺度网络有关原理在区域旅游资源集聚区中的运行机制。
The malignant lymphoma ( ML) is a malignant tumor primarily in lymph node and ( or) exterior of lymph node, formed by the malignant proliferation of the built-in tissue cells and the lymph-cells in lymph tissue. 恶性淋巴瘤是原发于淋巴结和(或)淋巴结外的恶性肿瘤,是淋巴组织内原有的淋巴细胞和组织细胞恶性增生而形成的肿瘤。