下面哪几项是肋位剖面图表达的基本内容？()

A.松弛疗法和认知疗法

B.刺激控制疗法

C.睡眠限制疗法和睡眠卫生教育

D.以上内容全部包括

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A.Attached pleased find our signed PI

B.Included please find our signed PI

C.We have sent our signed PI to you

D.We enclose our signed PI

A.Attached pleased find our signed PI

B.Included please find our signed PI

C.We have sent our signed PI to you

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剖面图常用于表达机件上的断面形状，如肋，轮辐，键槽等，剖面图也叫剖视图。()

A.头先露为枕骨

B.横位为肩胛骨

C.臀位为骶骨

D.面先露为额骨

E.额先露为颧骨

A.节点图

B.肋位剖面图

C.分段图

D.零件图