试题与答案

边缘性骨髓炎好发于A．下颌骨升支 B．下颌骨体部 C．上颌骨体部 D．下颌骨牙槽突

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题型：单项选择题

题目：

边缘性骨髓炎好发于

A．下颌骨升支

B．下颌骨体部

C．上颌骨体部

D．下颌骨牙槽突

E．下颌骨髁状突

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A解析： 数据类型的定义属于域完整性的范畴。比如对数值型字段，能过指定不同的宽度说明不同范围的数值数据类型，从而可以限定字段的取值类型和取值范围。

考点：口腔医学技术(主管技师)口腔技师相关专业知识中级口腔医学主管技师相关专业知识7
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