采用将圆电流磁矢势表达式中一部分展成级数，使被积函数变成可积分的函数。
A part of results on magnetic vector potential of circular loop are expanded, so the integral function is transformed to integrable series.
无论是矢状面还是冠状面都未见漏斗部异常强化病灶。
No evidence of infundibular enhancement is noted on either the coronal or the sagittal images.
影响错畸形型的骨骼因素主要包括上下颌矢状关系、垂直骨型、颏部倾斜度。
The main skeletal factors influencing malocclusion include the saggital and vertical skeletal relationship and the gradient of chin;
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