Successive wave fronts in this case form a series of concentric spheres.
相继波前形成了一系列的同心球面。
The handedness of the helical wave fronts of the LG modes is linked to the sign of the index land can be chosen by convention.
LG模的螺旋波前的左右手习惯是和l的特征相联系的，能够按规定进行选择。
By transforming the model to corresponding integral equation, the existence and uniqueness of traveling wave fronts are proved.
通过将其化为等价的积分方程，我们建立了该模型单稳情形下的波前解的存在性与唯一性。
During acute AF, there are multiple and discrete excitation wave fronts or reentry activities were found in both LA and RA, and bidirectional block regions could be shown.
结果窦性心律时窦房结发出冲动，激动右心房上部并向右心房下部和左心房传导，而房颤时双心房均可见方向不一、片段的激动波或大的折返环，可见多个传导阻滞区。
Vector analysis and shock wave theory are applied to the initial phase during which the contact periphery expands more quickly than the compression wave fronts in the droplet.
对于第一阶段运用矢量分析和激波理论关系，建立了适用于高速撞击条件的非线性激波模型。
Vector analysis and shock wave theory are applied to the initial phase during which the contact periphery expands more quickly than the compression wave fronts in the droplet.
对于第一阶段运用矢量分析和激波理论关系，建立了适用于高速撞击条件的非线性激波模型。
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