这意味着加速度与位矢平行。
So, that means the acceleration is parallel to the position.
一边是位矢。
那么如果过一段时间，这就有一个向量△,它是位矢经过一段时间的改变量。
r So, if we wait a certain amount of time, we'll have a vector, delta r, which is the change in position vector a various interval of time.
轴位图像与深脑裂难以鉴别，但是矢状位可以显示出典型的改变。
Axial MR images can be confused with schizencephaly, but sagittal images show typical findings.
图5：矢状位颈胸椎T1序列显示蛛网膜下腔多发的点状高信号影，提示来源于破裂的皮样囊肿所致的脂肪沉积。
Figure 5: Sagittal T1W image of the cervicodorsal spine shows multiple hyperintense foci in the subarachnoid space suggestive of fat deposition from dermoid rupture (arrows).
腰椎间关节的方位自上而下，由近矢状位逐渐过渡为近冠状位；
The orientation of the lumbar zygapophyseal joints changed gradually from about sagittal plane in upper segment to about coronal in lower.
逐步循环回归分析获得矢状位手术角和冠状位手术角回归方程。
Two equations of sagittal operation angle and coronal operation angle were obtained by stepwise regression analysis.
前后径在轴位和正中矢状位上呈现相似的变化趋势。
AP dural sac diameter on axial and midsagittal images showed a similar tendency.
推导出了用多极场空间谐波函数表示的磁矢位的通项表达式。
General expressions of the magnetic vector potential for multipole fields are derived.
目的：探讨CT矢状位重建图像上测量与鼻内窥镜手术相关解剖结构对鼻内窥镜手术的参考价值。
Objective: to discuss the reference value of the measurement of anatomy structures related to endoscopic sinus surgery (ESS) on ct sagittal reconstruction image.
定量运动分析确定颈椎整体变化（C2-C7）、治疗节段矢状位形态、椎间隙高度及活动范围。
Quantitative motion analysis determined the change in overall (C2–C7) and treatment-level sagittal alignment, disc space heights, and range of motion.
目的：为冠状及矢状位断层影像解剖研究探讨新的方法。
Objective: To investigate a new method for the study on coronal and sagittal sectional-imaging anatomy.
方法分别测量43例志愿者与34例前交叉韧带完全撕裂病人pcl在MRISET1 WI矢状位弯曲度，并对两组测量值进行比较。
MethodsA measurement of PCL curvature on MRI SE T1WI sagittal image was done in 34 patients with complete ALR rupture, the measure value was compared with the findings in 43 volunteers.
结果：常规调磨后，67.4%（31/46）的患者双侧髁突运动中心在矢状位的位移距离明显不均衡； 63%（29/46）的患者双侧髁突运动中心的位移方向不一致；
Results:After regular adjustment, 67.4% (31/46) patients were found unbalance shift of the condyle movement center on two sides, and 63% (29/46) patients were found in different directions.
本组病例中未出现内固定物失败或矢状位曲度及椎体高度的丧失。
There was no instrumentation failure or loss of sagittal curve and vertebral height correction.
利用谱域导抗法推导分层介质的电磁流场位并矢格林函数各分量的统一的表达式。
The uniform expressions of multilayered medium spectral dyadic electric and magnetic current Green's functions for field and potential are derived by using spectral domain immittance approach.
结论：后路矫形在纠正冠状位和矢状位的畸形的效果上与前路矫形是相似的。
Conclusion. Surgical correction of both the frontal and sagittal plane deformity are comparable to anterior instrumentation.
目的：探讨内听道(IAC)斜矢状位MRI在人工耳蜗置入术前评估中的应用价值。
Objective: to explore practical value of oblique sagittal MRI of internal auditory canal (IAC) before cochlear implantation.
矢状位扫描病变位于小脑半球后下部。
The lesions were located in posterior inferior cerebella on sagittal scans.
以经食道矢状位切面为基准面，观察心脏主要结构在放射状切面上的变化。
Based on the transesophageal and sagittal plane, we observed the changes of the major cardiac structures on the radial plane.
仰卧位固定兔子，轴位和矢状位扫描双侧腘窝淋巴结。
The rabbits were in the supine position when the popliteal lymph nodes were scanned in the axial and sagittal planes.
腰椎的关节面通常是矢状位方向的（图2）。
The lumbar facets are generally sagittally oriented (Fig. 2).
图3、4、5：轴位，冠状位和矢状位增强扫描显示病变不均匀强化(黄箭)。
Figure 3, Figure 4, and Figure 5: Axial, coronal, and sagittal T1-weighted images with contrast demonstrate heterogeneous enhancement of the lesion (yellow arrows).
借助并矢分析，分别采用加权余量法和变分法，推导出了三维非线性各向异性静磁场的矢量位有限元方程的一般计算公式。
The 3d finite element vector potential equations of non-linear anisotropic magnetostatic field have been derived in a pithy style by dyadic analysis.
借助并矢分析，分别采用加权余量法和变分法，推导出了三维非线性各向异性静磁场的矢量位有限元方程的一般计算公式。
The 3d finite element vector potential equations of non-linear anisotropic magnetostatic field have been derived in a pithy style by dyadic analysis.
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