A close examination of most DTDs, however, reveals a fair degree of flexibility-particularly if the DTD is from a generic source or derived from a standard or specification.
然而，对大多数DTD的密切观察就会发现相当程度的灵活性—特别是当这个DTD源于普通资源或者来自一个标准或规范时。
X-ray examination revealed that there were 69 cases whose cervical vertebral physiological curvature became straight or reverse, or with certain degree of degenerative change.
其中有69例患者经过X射线检查显示颈椎生理曲度变直或反向，或有不同程度的退行性改变。
Finally the fruit of research for my master degree presents in the way of actual de-hopping and digital intermediate frequency receivers that have passed the examination.
最终以通过检测的跳频解跳与数字中频接收机的实物作为硕士期间的研究成果呈现。
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