例如，它们可以是特性（features）、用户故事（user stories）或者是用例切片（use case slice），所有这些都可以表示为阿尔法并可以跟踪它们的状态。
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方法对3例IF的临床资料、病理切片和随访资料进行分析。
Methods The clinical data, pathological sections and follow-up data were analyzed in 3 cases of IF.
方法：对45例不同胚(胎)龄时期的鞍旁结构行组织学连续切片，观察鞍侧腔壁结构及其内容物的形态学变化过程。
Methods: Serial histological sections of 45 human embryos and fetus were performed to observe the development and organization of the contents of the compartment.
为全面认识KBD的病理变化，本文在光镜下复查了本所尸检档案2批共16例的骨切片。
To overall know the pathological changes of KBD, the bone sections of 16 cases (2 batches) of our own autopsy files were reexamined with light microscope.
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