数值分析了光纤截面结构变化对于光栅传输谱的影响，并给出这种影响的定性解释。
The influence of the structure change of the fiber cross section on the transmission spectrum is simulated, and derived qualitatively.
大截面变幅杆能够传输更大功率更高声强的振动能量，因此对这类变幅杆的研究成为迫切需要。
The large cross-section acoustic horn can transmit more power and higher intensity sound, therefore research on this kind of acoustic horn becomes more and more emergent.
变压器用于电能的传输和分配，以减小在线路架设中导线的截面尺寸。
The transformer is used in the transmission and distribution of power to reduce the conductor size in line construction.
各种不同截面形状的传输线，原则上都能用一个简便而统一的方法进行处理。
The problems of various transmission lines with different cross sections may be solved by a simple and unified method.
用导体截面矩量法提取多导体芯片传输线电阻和电感频变分布参数时，为了使矩量法程序化，提出了几种不同的网络划分方法。
Conductor cross section method of moment was applied in extracting the resistance and inductance frequency dependent distribution parameter of multiple conductor transmission lines of IC.
多根导线束是 多根根据传输不同信号所设置的不同芯数、不同截面、不同结构的导线束。
A plurality of wire bundles are wire bundles set with different cores, different sections and different structures according to different transmission signals;
通过亥姆霍兹方程研究了双弯曲截面柔性波导的本征模式；运用光学方法计算了波导的传输效率。
The eigenmode of a hollow waveguide with two curved surfaces was analyzed with Helmholtz equation and the transmitting efficiency of the hollow waveguide was analyzed with a ray optics approach.
采用横截面上光强的精确表述，分析了单色平面波微小圆孔衍射后，其衍射光束的传输特性。
Based on the accurate expression of light intensity at transverse plane, the propagation characteristics of monochromatic planar wave diffracted by small circular aperture are analyzed in this paper.
将两共面平行荷电微带传输线在横截面内的场区用保形映射变换为矩形内域，从而获得单位纵长传输线的电容和静电能量。
The electrostatic field region on the cross section of two charged parallel strip transmission lines in a plane is transformed into the interior of a rectangle with the conformal mapping.
结果表明片状固体增益介质热容方式工作对振荡光束波前畸变影响很小。给出了与光束传输方向相垂直的截面上增益介质的荧光分布。
Fluorescence profile in the gain medium is described. Result indicates such a gain medium has little effect on the wavefront aberration of the beam.
利用孤子波的数学理论到圆截面直筒油管的应力波传播的研究，得出了这类应力波具有孤子波的性质，并导出了它的解的表示式。这对研究弹性圆管应力传输问题是有帮助的。
Using the mathematical theory of soliton wave to study the stress wave of an oil pipe, we show that it has the property of soliton wave and obtain an expression of its solution.
利用孤子波的数学理论到圆截面直筒油管的应力波传播的研究，得出了这类应力波具有孤子波的性质，并导出了它的解的表示式。这对研究弹性圆管应力传输问题是有帮助的。
Using the mathematical theory of soliton wave to study the stress wave of an oil pipe, we show that it has the property of soliton wave and obtain an expression of its solution.
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