查询词典 wave

For these two effective focal lengths, the spots on the image surface at zero view field, 0.7-view field and full view field are all inside the airy disc. The system MTF curve of each effective focal length are accordance with the corresponding diffraction limits curve. The biggest wave aberration is smaller than 1/4 wave lengths. The maximum field curvature and maximum f-theta system distortion respectively satisfies the precision demand of the laser marking machine in China.

系统像面在0视场、0.7视场和全视场的光斑都落在相应的爱里斑以内，系统的MTF曲线接近相应的衍射极限曲线，最大波像差小于四分之一波长，系统的最大场曲和最大f-theta相对畸变都很好地满足了国内激光打标机的精度要求。

The leading products of the company is PDM1、3KW full solid state broadcasting transmitters, DAM10、25、50、100KW digital circulate modulate medium wave broadcasting transmitters, M2W10、50、100KW digital circulate medium wave broadcasting transmitters, 100W、300W、1、3、5KW full solid state frequency modulation dimensional sound broadcasting transmitters.

公司的主导产品为PDM1KW、3KW全固态广播发射机，DAM10、25、50、100KW数字循环调制中波广播发射机，M2W10、50、100KW数字幅相调制中波广播发射机，100W、300W、1、3、5KW全固态调频立体声广播发射机、远程监控系统以及发射机辅助产品等。

P-wave: An elastic body wave in which particle motion is in the direction of propagation.

P-波：质点运动方向与波传播方向相同的弹性体波。

The definition of the definition of wavelength wavelength wavelength ----: along the direction of wave propagation in the wave graph position of relative equilibrium displacement of the adjacent same time the distance between two particles.

波长的定义波长的定义----波长：沿着波的传播方向，在波的图形中相对平衡位置的位移时刻相同的相邻的两个质点之间的距离。

The lateral boundaries aligned with direction of wave propagation are adopted to avoid wave reflection from the boundaries.

侧向边界为符合波浪传递之方向，也避免波浪能量由边界反射。

Displacements of points on the string are perpendicular to the length of the string, and to the direction of propagation of the wave, so the wave is transverse.

绳上各点的位移垂直于绳的长度方向，方向指向波的传播方向，所以该波是横波。

Characteristics of Lamb wave propagation in multilayered composite plates are influenced by many factors, the most important of which are: constituent properties, thickness and fiber orientation, the number of layers, and lay-up sequence and the direction of wave propagation.

层状各向异性板中Lamb波的传播特性受许多因素的影响，其中最重要的影响因素是：组层材料的性质、厚度以及纤维的方向、层数、层序、Lamb波传播方向。

In millimeter wave band and sub-millimeter wave band, it has characters of low loss, high power handling, low dispersion and single mode transmission medium.

在毫米波和亚毫米波频段，它具有低损耗，高功率容量，低色散和单模传输的特性。这给毫米波、亚毫米波器件的设计提供了一种选择。

Firstly, if there existed longitudinal wave vectr (k z≠0), the characteristics of interactions between space harmonics were analyzed, and dispersion relations between transversal wave vectors were obtained.

首先，对存在纵向波传播时(kz≠0)的空间谐波相互作用特征进行了分析，得出了横向波传播色散特性。

With the single-null divertor configuration on the HL-2A tokamak, the ray tracing and the wave power deposit for the ordinary electron cyclotron wave, perpendicularly injected from the weak field side, are analyzed.

在HL-2A单零偏滤器条件下，对由弱场侧沿赤道平面垂直注入的电子回旋寻常波的波迹和波的功率沉积剖面进行了分析计算。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。