转移条件就是一条是或者否的语句，处理器借以判定任何一个特定活动的当前状态。

A transition condition is a true or false statement that the processor may use to determine the current state of any particular activity.

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原发性乳腺癌组织中的MVD及VEGF表达与肿瘤的转移行为密切相关，有可能作为判定肿瘤生物学行为、转移潜能及预后的指标。

MVD and the expression of VEGF are highly correlated with metastasis in primary breast cancer, which may serve as a parameter for determining tumor biological, metastatic potential and prognosis.

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材料和方法：对48例核素骨显像检查发现肋骨病变的肿瘤患者，再行DE骨组织像判定其性质(转移性或非转移性)。

Materials and Methods: 48 cases with tumor were examined with bone scintigraphy. After rib lesion was found, DE were done to judge the quality of rib lesion (metastasis or non-metastasis).

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