By using effective index method ( EIM ) to calculate the transverse refractive index distribution of polymeric ridge waveguide 3-D light wave field propagation is successfully simplified into 2-D propagation .

利用有效折射率法计算聚合物 脊 形波导的 横向折射率分布，将三维光波场传播简化为二维传播。

Low Threshold Single Transverse Mode Ridge Waveguide GaAs / AlGaAs Quantum Well Lasers

低阈值基 横模 脊 形波导GaAs／AlGaAs单量子阱激光器

Results : In the injured side the stress changed obviously especially in anterior oblique surface and transverse ridge of condyloid process .

结果：患侧髁突表面应力分布发生了明显改变，尤以髁突前斜面和 嵴顶部最为显著；

Field measurements of influence of total sand transport rate on the structure of wind-sand flow on the coastal transverse ridge Research about the characteristic of drag reduction over riblets surface based on average velocity profile in the turbulent boundary layer

风速对海岸 沙丘表面风沙流结构影响的实证研究基于湍流边界层时均速度分布的 脊状表面减阻规律研究

Transverse ridge of condyle contacts with fossa on point and plane which make lateral motion of condyle more agile ;

髁突 横 嵴有一定成角，使髁突在侧向运动中可以与关节窝形成类似点面接触，而具有灵活性；

Here he structure of wind-sand flow on the top of coastal transverse ridge was measured by use of field vertical anemometer and sand trap .

选择中国规模最大、形态最为典型的河北昌黎黄金海岸的 横向沙 脊，采用野外梯度风速仪 和平口式积沙仪对其顶部的风沙流结构进行了观测。

In the observation of sagital direction it showed that mean value of Von Mises stress on the surface of anterior slope was the maximum followed by transverse ridge area and that was the minimal at posterior slope ;

术侧髁突前后向观察，髁突前斜面的范氏力平均值最大，髁 突 横 嵴区域其次，髁 突后斜面区域应力平均值最低；