propagation的例句大全

The traditional theory of propagation of fatigue crack is transformed by the closure phenomenon of crackfatigue.

疲劳裂纹的闭合现象改变了传统的疲劳裂纹扩展理论.

The propagation and transfotmation of GLB in a homogeneous medium is discussed.

讨论了类高斯光束在均匀介质中的传播。

For the first time, 25 ℃ penetration degree and 100 ℃ kinematic viscosity of modified paraffin wax were predicted by using the generalized back propagation ( GBP) neural network. The absolute deviation ( A.D.)

首次采用GBP模型对改性石蜡的25℃针入度和100℃运动粘度进行了预测，25℃针入度预测的绝对误差（A.D.）

The results show that the present NWT can simulate the propagation of a solitary wave and nonlinear periodic waves over gentle beaches efficiently with good stability.

给出了孤立波的传播和周期性非线性波浪沿缓坡传播的计算结果，表明数值模型具有良好的稳定性。

Analysis of the Propagation Characteristics of NRD Waveguides Loaded with Periodic Metallic Strips

周期金属栅加载非辐射介质波导传输特性的分析

Comparison of surface acoustic waves propagation on LGT and quartz substrates

钽酸镓镧与石英声表面波传播特性对比研究

A Generalized Formula for Fatigue Crack Propagation,-A New Method for Determining Δ Kth

一个普遍的疲劳裂纹扩展公式&确定ΔK（th）的新方法

However, it was found even at the first that in concrete Krc is size-dependent and sub-critical propagation exists.

然而自60年代初Bazant首次将断裂力学应用于混凝土时即已发现，按线弹性计算的混凝土K（IC）存在着尺寸效应，并发现了混凝土裂缝的亚临界扩展。

Committee on Propagation of the Tradition!

'优良传统发扬光大委员会'!

The Qiantang estuary model was established , and the formation and propagation process of tidal bore was simulated.

制作了钱塘江河口模型, 并模拟了涌潮的形成与传播过程.

The eco geographical distribution, biology characteristics and propagation techniques of were investigated in this paper.

研究了秤锤树的生态地理分布 、 生物学特性与繁殖技术.

The sidereal diurnal variation of cosmic ray ties up with the most basic and important problem in cosmic ray physics such as the origin, propagation and the acceleration mechanisms of cosmic ray.

宇宙线的恒星日变化紧密联系于宇宙线的起源、其传播途径的性质，以及宇宙线的加速机制等宇宙线物理中最基本的重大问题。

The algorithm applied to break flood wave propagation in natural river courses or reservoirs.

适用于天然河道或水库中的溃坝洪水波的传播.

Seed collection for propagation or other ex-situ conservation measures could be explored.

可尝试采种育苗,及作迁地保育.

Summing up time harmonic propagated waves of all frequency gives the pulse propagation along the line.

加总所有频率成份弦波之时域传播即得时域脉波之传播.

Rapid propagation of thornless blue Aloe by tissue culture

无刺番麻组织培养快速繁殖种苗的研究

Study on Tissue Culture and Rapid Propagation of Thornless Red Raspberry Idaeus

无刺红树莓组织培养快速繁殖技术研究

The scheme can be applied to simulating dam-break flood wave propagation in the natural river courses.

这种格式适用于模拟天然河道或水库中的溃坝洪水波传播.

In addition, the Back-Propagation algorithm is applied to I lunation intelligence control.

另外，在控制系统中提出了利用神经网络BP算法实现照度的智能控制。

Seed propagation is still practiced to develop new hybrids, raise understocks for grafting, and propagate wild species.

在杜鹃花引种栽培、嫁接时繁殖砧木及新品种培育时仍需以种子育苗为主。