可将一个卷标记为溢出卷。
在未检查的上下文中，如果表达式产生的值在目标类型范围之外，并不会标记溢出。
In an unchecked context, if an expression produces a value that is outside the range of the destination type, the overflow is not flagged.
放射自显影法的结果证实，放射性标记的SCK在肿瘤血管化区域溢出，而坏死区域观察不到扩散现象。
Autoradiography results confirmed the extravasation of radiolabeled SCKs in vascularized areas of the tumor, whereas no diffusion was observed in necrotic regions.
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