Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations.
在介质中传播的单色光改变其传输速度的现象，并由该辐射的频率所决定的。
The proper sound propagation model is the basis of transfer function prediction of underwater acoustical channel.
合适的水声传播模型是水下声信道传递函数预报的基础。
On the other hand, it also derives the covariance propagation formula of non-linear function containing quadratic term in matrix form using the matrix theory etc.
另一方面又利用矩阵理论等推导出含有二次项的非线性函数的协方差传播公式的矩阵形式。
As the main front of document propagation, libraries possess social educational function.
图书馆作为文献传播的主要阵地，有社会教育的基本功能。
The social managerial function is determined by the make-up factors and the social quality of the news propagation.
新闻传播具有社会管理功能，这是由新闻传播的构成要素及其所具有的社会性质决定的。
A distribution function of two dimensional threshold is given for fatigue crack propagation. A two dimensional stress threshold interference model is set up.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
The application of purifying function bacteria and Bdellovibrio to seedling rearing water has an effect of inhibiting the propagation of vibrios.
净化功能菌和蛭弧菌应用于育苗水体具有抑制弧菌繁殖的效果。
Function principles: After EGF be supplied, it can directly promote the conveyance of the genes inside skin cell's, accelerate the speeds of cell's division and propagation.
功效原理：补充EGF后，可直接促进皮肤生长基因的表达，加快皮肤细胞分化和增殖速度。
The regular patterns of the propagation of quasi-40-day oscillations along the equator and some great circle routes are analysed and revealed by a complex empirical orthogonal function (CEOF) method.
采用复经验正交函数(CEOF)方法分析了准40天振荡沿赤道和某些大圆路径传播的规律。
The model and learning algorithms of BP( Error Back Propagation)network, which is widely applied, is recommended, and RBF( Radial B asis Function)is simply recommended contrastively.
本文首先介绍了神经网络中应用最为成熟广泛的BP网络的模型及其学习算法，并简单对比介绍了RBF网络。
Nucleic acids are the basic ingredient of all the biologic cells and they have an important function in life processes, such as growth, propagation, descendiblity and contabescence.
核酸是一切生物细胞的基本成分，它控制着生物体的生长、发育、繁殖、遗传及衰亡等生命现象。
A distribution function of two dimensional threshold is given for fatigue crack propagation.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
By analysing the purpose, means and standard of the propagation of academic journal, the function and effect of academic journal in propagation is discussed.
通过对学报的传播目的、传播方式和传播标准的分析，论述了学报的传播功能和学报在传播中的作用。
For the present experimental conditions, it is found that the flame propagation velocity is a weak function of dust concentration in cornstarch dust clouds.
在所考察的实验条件下，粉尘浓度对于玉米粉尘火焰传播速度的影响不大。
With the rectangular function expanded into a finite sum of complex Gaussian functions, an approximate analytical propagation equation of HChG beams is derived.
采用将矩形函数展开为有限个复高斯函数之和的方法，推导出了光场分布的解析表达式。
Ad, namely, is to publicize, to make more people know the quality and function of commodity. It is to use real and persuasive propagation to deliver commodity information to create purchasing power.
广告，顾名思义就是广而告之，让人民从广告中了解商品的性能与功用，它通过具有真实性和说服力的宣传来传达商品信息、说服大众、创造购买力。
Additional current density, which is a function of frequency, can be used to describe the effect of the ionosphere in the process of electromagnetic pulse propagation.
电离层对电磁脉冲传播的影响可以用一个频域的电流密度来描述，在时域则等效为一附加的电流密度和电导率。
Additional current density, which is a function of frequency, can be used to describe the effect of the ionosphere in the process of electromagnetic pulse propagation.
电离层对电磁脉冲传播的影响可以用一个频域的电流密度来描述，在时域则等效为一附加的电流密度和电导率。
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