Based on these equations, an evolution equation of the beam waist has been obtained.
由光束在吸收克尔介质中传输的非线性近轴波方程 ,推导出具有二次相位分布的圆对称高斯光束在线性吸收介质中的耦合传输方程以及光束束腰的演化方程。
In this paper the local convergence properties of the filter trust region algorithm is discussed.
讨论了信赖域SQP滤子方法的局部收敛性。
The algorithm generates detectors with an r-contiguous-bits unchanged rule(r-CBUR)and a p-receptor editing to search in a wide feature space and try to avoid local convergences.
该算法采用r-连续位不变规则和p-受体编辑生成初始检测器,使算法具有更广泛的搜索空间并不致陷入局部收敛。
The local convergence properties of the filter trust region algorithm was discussed.
讨论了一种信赖域SQP滤子方法的局部收敛性。
The relation is discussed between the shift of the point of maximum intensity on axis from the waist of focused Gaussian beam and the radius of the diffracted aperture, and the parameters of the Gaussian beam.
讨论了轴上点光强最大值相对会聚高斯光束束腰的偏移量同衍射孔径及高斯光束参数的关系。
She girded her waist with a sash.= She girded a sash round her waist.
她以饰带束腰，她把饰带束在腰上。
"For everywhere the hair of the head and the hair of the face is cut off: on every hand there are wounds, and haircloth on every body."
各人头上光秃，胡须剪短，手有划伤，腰束麻布。
Design of Experiment for Measuring Gaussian Beam Spot Size Using Knife Edge
刀口法测量高斯光束腰斑大小实验设计
illuminating laser beam
照射激光束，照明激光束
collimated lihgt beam
准直光束，平行光束
Study of Laser Beam Width, Beam Quality and Focal Shift;
激光光束束宽、光束质量和焦移的研究
white elastic-waist gym pants
白色宽紧束腰体操裤
cotta, not kniited or crocheted
束腰外衣,非针织或钩编
corduroy wrap-around coat
粗条纹绒布束腰外衫
She belted up her wind coat.
她把风衣的腰带束紧。
a long skirt gathered at the waist.
在腰部收束的一种长裙。
a skirt whose fabric is drawn together around the waist.
腰部收束起来的裙子。
belted mackinaw coat
骑诺式长方格束腰外衫
dramtic fleece greatcoat with broad laper and tie belt
开襟大领束腰羊毛大衣
shirred elasticized waist pajamas
打裥宽紧束腰睡衣裤
To encircle with a belt or band.
束紧用腰带或带子围住
Oh yes, I know all about lacing.
唔，对了，束腰的事我全懂。